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Document and Entity Information	6 Months Ended
Document and Entity Information	Jun. 30, 2018 shares
Document Entity Information
Entity Registrant Name	Navios Maritime Holdings Inc.
Trading Symbol	NM
Entity Central Index Key	0001333172
Document Type	6-K
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock Shares Outstanding	124,706,280

UNAUDITED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 118,454	$ 127,632
Restricted cash	2,978	6,558
Accounts receivable, net	60,681	60,331
Due from affiliate companies	10,055	4,002
Inventories	29,454	30,170
Prepaid expenses and other current assets	30,082	27,383
Total current assets	251,704	256,076
Deposits for vessels, port terminals and other fixed assets	8,255	36,849
Vessels, port terminals and other fixed assets, net	1,788,936	1,809,225
Loan receivable from affiliate companies	31,588	30,112
Investments in affiliates	174,263	183,160
Other long-term assets	44,356	37,801
Intangible assets other than goodwill	113,690	116,422
Goodwill	160,336	160,336
Total non-current assets	2,321,424	2,373,905
Total assets	2,573,128	2,629,981
Current liabilities
Accounts payable	78,407	79,671
Accrued expenses and other liabilities	107,904	94,859
Deferred income and cash received in advance	9,710	11,030
Due to affiliate companies	20,307	16,749
Current portion of long-term debt, net	31,142	33,885
Total current liabilities	247,470	236,194
Senior and ship mortgage notes, net	1,304,608	1,301,999
Long-term debt, net of current portion	330,870	346,604
Other long-term liabilities and deferred income	41,130	43,382
Long-term payable to affiliate companies	87,422	76,872
Deferred tax liability	7,227	7,766
Total non-current liabilities	1,771,257	1,776,623
Total liabilities	2,018,727	2,012,817
Commitments and contingencies
Stockholders' equity
Preferred Stock — $0.0001 par value, authorized 1,000,000 shares, 46,302 issued and outstanding as of June 30, 2018 and December 31, 2017.	0	0
Common stock — $0.0001 par value, authorized 250,000,000 shares, 124,706,280 and 120,386,472 issued and outstanding as of June 30, 2018 and December 31, 2017, respectively	12	12
Additional paid-in capital	684,427	682,105
Accumulated other comprehensive income	0	2
Accumulated deficit	(232,170)	(166,021)
Total Navios Holdings stockholders' equity	452,269	516,098
Noncontrolling interest	102,132	101,066
Total stockholders' equity	554,401	617,164
Total liabilities and stockholders' equity	$ 2,573,128	$ 2,629,981

UNAUDITED CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Jun. 30, 2018	Dec. 31, 2017
CONSOLIDATED BALANCE SHEETS [Abstract]
Preferred stock par value	$ 0.0001	$ 0.0001
Preferred stock shares authorized	1,000,000	1,000,000
Preferred stock shares issued	46,302	46,302
Preferred stock shares outstanding	46,302	46,302
Common stock par value	$ 0.0001	$ 0.0001
Common stock shares authorized	250,000,000	250,000,000
Common stock shares issued	124,706,280	120,386,472
Common stock shares outstanding	124,706,280	120,386,472

UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS)/INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS)/INCOME [Abstract]
Revenue	$ 132,051	$ 118,618	$ 248,933	$ 213,964
Administrative fee revenue from affiliates	7,126	5,360	14,131	10,658
Time charter, voyage and logistics business expenses	(53,888)	(54,078)	(105,383)	(104,804)
Direct vessel expenses	(24,533)	(31,783)	(48,797)	(61,827)
General and administrative expenses incurred on behalf of affiliates	(7,126)	(5,360)	(14,131)	(10,658)
General and administrative expenses	(8,327)	(6,108)	(15,254)	(12,492)
Depreciation and amortization	(24,537)	(26,091)	(50,603)	(51,714)
Interest expense and finance cost, net	(33,253)	(27,565)	(65,063)	(54,987)
Impairment loss on sale of vessels	(6,595)	(5,141)	(13,310)	(14,239)
Gain on debt extinguishment	0	1,715	0	1,715
Other (expense)/income, net	(2,242)	(1,523)	(7,061)	(2,878)
Loss before equity in net earnings of affiliated companies	(21,324)	(31,956)	(56,538)	(87,262)
Equity in net (losses)/earnings of affiliated companies	(3,025)	(3,775)	(9,489)	1,307
Loss before taxes	(24,349)	(35,731)	(66,027)	(85,955)
Income tax benefit	502	76	944	493
Net loss	(23,847)	(35,655)	(65,083)	(85,462)
Less: Net income attributable to the noncontrolling interest	(1,445)	(1,603)	(1,066)	(515)
Net loss attributable to Navios Holdings common stockholders	(25,292)	(37,258)	(66,149)	(85,977)
Loss attributable to Navios Holdings common stockholders, basic and diluted	$ (27,856)	$ (39,414)	$ (71,262)	$ (90,777)
Basic and diluted loss per share attributable to Navios Holdings common stockholders	$ (0.23)	$ (0.34)	$ (0.6)	$ (0.79)
Weighted average number of shares, basic and diluted	119,423,135	116,051,809	119,422,969	115,612,780

UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
OPERATING ACTIVITIES:
Net loss	$ (65,083)	$ (85,462)
Adjustments to reconcile net loss to net cash provided by operating activities:
Non-cash adjustments	88,165	82,285
(Increase)/decrease in operating assets	(9,333)	39,416
Increase in operating liabilities	21,781	17,019
Payments for drydock and special survey costs	(6,016)	(7,054)
Net cash provided by operating activities	29,514	46,204
INVESTING ACTIVITIES:
Acquisition of investments in affiliates	(6,278)	(7,626)
Acquisition of vessels	(10,255)	0
Deposits for vessels, port terminals and other fixed assets acquisition	(3,437)	(25,972)
Deposits for option to acquire vessels	(8,699)	0
Loans to affiliate companies	0	(4,461)
Proceeds from lease receivable	118	100
Proceeds from sale of asset	7,682	5,280
Purchase of property, equipment and other fixed assets	(4,800)	(3,199)
Dividends received from affiliate	2,919	0
Net cash used in investing activities	(22,750)	(35,878)
FINANCING ACTIVITIES:
Proceeds from transfer of rights to affiliate company	0	4,050
Fees for repurchase of preferred stock	0	(482)
Repayment of long-term debt and payment of principal	(19,342)	(37,921)
Proceeds from long-term loans, net of deferred finance fees	0	29,694
Debt issuance costs	(180)	0
Payments of obligations under capital leases	0	(12,374)
Net cash used in financing activities	(19,522)	(17,033)
Decrease in cash and cash equivalents and restricted cash	(12,758)	(6,707)
Cash and cash equivalents and restricted cash, beginning of period	134,190	141,377
Cash and cash equivalents and restricted cash, end of period	121,432	134,670
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest, net of capitalized interest	54,938	49,630
Cash paid for income taxes	485	0
Non-cash investing and financing activities
Deposits for vessels, port terminals and other fixed assets	0	(1,613)
Accrued interest income on loan receivable from affiliate company	(1,476)	(1,258)
Accrued interest expense on loan payable to affiliate company	0	2,254
Accrued interest expense payable to affiliate company	514	325
Long-term payable to affiliate company	0	29,423
Revaluation of vessels due to termination of capital lease obligations	0	5,243
Transfers from deposits for vessels, port terminals and other fixed assets	32,032	137,357
Acquisition of vessels, port terminals and other fixed assets	$ (311)	$ 0

UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Total Navios Holdings' Stockholders' Equity	Noncontrolling Interest
Balance, shares at Dec. 31, 2016		49,504	117,131,407
Balance, value at Dec. 31, 2016	$ 803,553	$ 0	$ 12	$ 678,531	$ (256)	$ 0	$ 678,287	$ 125,266
Net loss	(85,462)				(85,977)		(85,977)	515
Tender Offer - Redemption of preferred stock (Note 9), shares		(766)
Tender Offer - Redemption of preferred stock (Note 9), shares			625,815
Tender Offer - Redemption of preferred stock (Note 9), value	(482)			(716)	234		(482)
Conversion of convertible preferred stock to common stock (Note 9), shares		(2,436)
Conversion of convertible preferred stock to common stock (Note 9), shares			1,740,000
Stock-based compensation expenses, (Note 9) value	2,110			2,110			2,110
Balance (unaudited), shares at Jun. 30, 2017		46,302	119,497,222
Balance (unaudited), value at Jun. 30, 2017	719,719	$ 0	$ 12	679,925	(85,999)	0	593,938	125,781
Balance, shares at Dec. 31, 2017		46,302	120,386,472
Balance, value at Dec. 31, 2017	617,164	$ 0	$ 12	682,105	(166,021)	2	516,098	101,066
Net loss	(65,085)				(66,151)		(66,151)	1,066
Cumulative-effect adjustment due to adoption of new standard (Note 13)					2	(2)
Stock-based compensation expenses, (Note 9) shares			4,324,308
Stock-based compensation expenses, (Note 9) value	2,322			2,322			2,322
Cancellation of shares (Note 9), shares			(4,500)
Balance (unaudited), shares at Jun. 30, 2018		46,302	124,706,280
Balance (unaudited), value at Jun. 30, 2018	$ 554,401	$ 0	$ 12	$ 684,427	$ (232,170)	$ 0	$ 452,269	$ 102,132

Description of Business	6 Months Ended
Description of Business	Jun. 30, 2018
DESCRIPTION OF BUSINESS [Abstract]
DESCRIPTION OF BUSINESS	NOTE 1: DESCRIPTION OF BUSINESS Navios Maritime Holdings Inc. (“Navios Holdings” or the “Company”) (NYSE:NM) is a global, vertically integrated seaborne shipping and logistics company focused on the transport and transshipment of dry bulk commodities, including iron ore, coal and grain. Navios Logistics Navios South American Logistics Inc. (“Navios Logistics”), a consolidated subsidiary of the Company, is one of the largest logistics companies in the Hidrovia region of South America, focusing on the Hidrovia river system, the main navigable river system in the region, and on cabotage trades along the eastern coast of South America. Navios Logistics is focused on providing its customers integrated transportation, storage and related services through its port facilities, its large, versatile fleet of dry and liquid cargo barges and its product tankers. Navios Logistics serves the needs of a number of growing South American industries, including mineral and grain commodity providers as well as users of refined petroleum products. As of June 30, 2018, Navios Holdings owned 63.8% of Navios Logistics. Navios Partners Navios Maritime Partners L.P. (“Navios Partners”) (NYSE:NMM) is an international owner and operator of dry cargo vessels and is engaged in seaborne transportation services of a wide range of dry cargo commodities including iron ore, coal, grain, fertilizer and also containers, chartering its vessels under medium to long-term charters. As of June 30, 2018, Navios Holdings owned a 20.2% interest in Navios Partners, including a 2.0% general partner interest. Navios Acquisition Navios Maritime Acquisition Corporation (“Navios Acquisition”) (NYSE: NNA), is an owner and operator of tanker vessels focusing on the transportation of petroleum products (clean and dirty) and bulk liquid chemicals. In February 2018, the Board of Directors of Navios Acquisition authorized a stock repurchase program for up to $25,000 of Navios Acquisition’s common stock, for two years. Stock repurchases will be made from time to time for cash in open market transactions at prevailing market prices or in privately negotiated transactions. As of June 30, 2018, Navios Acquisition has repurchased 6,922,600 shares of common stock. Following these repurchases and as of June 30, 2018, Navios Holdings’ ownership of the outstanding voting stock of Navios Acquisition was 45.0% and its economic interest was 48.3%. Navios Midstream Navios Maritime Midstream Partners L.P. (“Navios Midstream”) (NYSE: NAP) is a publicly traded master limited partnership which owns and operates crude oil tankers under long-term employment contracts. As of June 30, 2018, Navios Holdings owned no direct equity interest in Navios Midstream. Navios Europe I On October 9, 2013, Navios Holdings, Navios Acquisition and Navios Partners established Navios Europe Inc. (“Navios Europe I”) and have economic interests of 47.5%, 47.5% and 5.0%, respectively. Navios Europe I is engaged in the marine transportation industry through the ownership of five tanker and five container vessels. Effective November 2014, Navios Holdings, Navios Acquisition and Navios Partners have voting interests of 50%, 50% and 0%, respectively. Navios Europe II On February 18, 2015, Navios Holdings, Navios Acquisition and Navios Partners established Navios Europe (II) Inc. (“Navios Europe II”) and have economic interests of 47.5%, 47.5% and 5.0%, respectively and voting interests of 50%, 50% and 0%, respectively. Navios Europe II is engaged in the marine transportation industry through the ownership of seven dry bulk and seven container vessels. Navios Containers Navios Maritime Containers Inc. (“Navios Containers”) is a growth vehicle dedicated to the container sector of the maritime industry. On June 8, 2017, Navios Containers completed a private placement in which Navios Holdings invested $5,000. Navios Containers registered its shares on the Norwegian Over-The-Counter Market (N-OTC) on June 12, 2017 under the ticker “NMCI”. As of June 30, 2018, Navios Holdings owned 3.1% of Navios Containers’ common stock and warrants representing 1.7% of the equity of Navios Containers.

Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2018

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

NOTE 2: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

(a)

Basis of presentation: The accompanying interim condensed consolidated financial statements are unaudited, but, in the opinion of management, reflect all adjustments for a fair statement of Navios Holdings’ consolidated balance sheets, statements of comprehensive (loss)/income, statements of cash flows and statements of changes in equity for the periods presented. The results of operations for the interim periods are not necessarily indicative of results for the full year. The footnotes are condensed as permitted by the requirements for interim financial statements and accordingly, do not include information and disclosures required under United States generally accepted accounting principles (“U.S. GAAP”) for complete financial statements. All such adjustments are deemed to be of a normal recurring nature. These interim financial statements should be read in conjunction with the Company’s consolidated financial statements and notes included in Navios Holdings’ Annual Report for the year ended December 31, 2017 filed on Form 20-F with the Securities and Exchange Commission (“SEC”).

Change in accounting principles:

ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash

The Company historically presented changes in restricted cash and cash equivalents depending on the nature of the cash flow within the consolidated statement of cash flows. During the first quarter of 2018, the Company adopted ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash, which requires that restricted cash and restricted cash equivalents be included as components of total cash and cash equivalents as presented on the statement of cash flows. The recognition and measurement guidance for restricted cash is not affected. The Company applied this guidance retrospectively to all prior periods presented in the Company’s financial statements.

The effect of the retrospective application of this change in accounting principle on the Company’s statement of cash flows for the six months ended June 30, 2017 resulted in a decrease of cash provided by operating activities in the amount of $2,899 and a decrease of cash used in financing activities in the amount of $1,976 with a corresponding decrease in cash and cash equivalents and restricted cash of $923.

The following table provides a reconciliation of cash and cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets:

	June 30, 2018		December 31, 2017
Reconciliation of cash, cash equivalents and restricted cash:
Current assets:
Cash and cash equivalents		118,454		127,632
Restricted cash		2,978		6,558
Total cash and cash equivalents and restricted cash	$	121,432	$	134,190

ASC 606, Revenue from Contracts with Customers (“ASC 606”)

On January 1, 2018, the Company adopted the provisions of ASC 606, Revenue from Contracts with Customers. The guidance provides a unified model to determine how revenue is recognized. In doing so, the Company makes judgments including identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price, and allocating the transaction price to each performance obligation. Revenue is recognized when (or as) the Company transfers promised goods or services to its customers in amounts that reflect the consideration to which the company expects to be entitled to in exchange for those goods or services, which occurs when (or as) the Company satisfies its contractual obligations and transfers control of the promised goods or services to its customers. In determining the appropriate amount of revenue to be recognized as it fulfills its obligations under its agreements, the Company performs the following steps: (i) identification of the promised goods or services in the contract; (ii) determination of whether the promised goods or services are performance obligations, including whether they are distinct in the context of the contract; (iii) measurement of the transaction price, including the constraint on variable consideration; (iv) allocation of the transaction price to the performance obligations based on estimated selling prices; and (v) recognition of revenue when (or as) the Company satisfies each performance obligation.

The Company’s contract revenues from time chartering continue to be governed by ASC 840 Leases. Upon adoption of ASC 606, the timing and recognition of earnings from time charter contracts to which the Company is party did not change from previous practice.

(b)

Principles of consolidation: The accompanying interim condensed consolidated financial statements include the accounts of Navios Holdings, a Marshall Islands corporation, and its majority owned subsidiaries. All significant intercompany balances and transactions have been eliminated in the consolidated statements.

Subsidiaries: Subsidiaries are those entities in which the Company has an interest of more than one half of the voting rights or otherwise has power to govern the financial and operating policies. The acquisition method of accounting is used to account for the acquisition of subsidiaries. The cost of an acquisition is measured as the fair value of the assets given up, shares issued or liabilities undertaken at the date of acquisition. The excess of the cost of acquisition over the fair value of the net assets acquired and liabilities assumed is recorded as goodwill. All subsidiaries included in the consolidated financial statements are 100% owned, except for Navios Logistics, which is 63.8% owned.

Investments in Affiliates: Affiliates are entities over which the Company generally has between 20% and 50% of the voting rights, or over which the Company has significant influence, but it does not exercise control. Investments in these entities are accounted for under the equity method of accounting. Under this method the Company records an investment in the stock of an affiliate at cost, and adjusts the carrying amount for its share of the earnings or losses of the affiliate subsequent to the date of investment and reports the recognized earnings or losses in income. Dividends received from an affiliate reduce the carrying amount of the investment. The Company recognizes gains and losses in earnings for the issuance of shares by its affiliates, provided that the issuance of shares qualifies as a sale of shares. When the Company’s share of losses in an affiliate equals or exceeds its interest in the affiliate, the Company does not recognize further losses, unless the Company has incurred obligations or made payments on behalf of the affiliate.

Affiliates included in the financial statements accounted for under the equity method

In the consolidated financial statements of Navios Holdings, the following entities are included as affiliates and are accounted for under the equity method for such periods: (i) Navios Partners and its subsidiaries (ownership interest as of June 30, 2018 was 20.2%, which includes a 2.0% general partner interest); (ii) Navios Acquisition and its subsidiaries (economic interest as of June 30, 2018 was 48.3%); (iii) Acropolis Chartering and Shipping Inc. (“Acropolis”) (economic interest as of June 30, 2018 was 35.0%), (iv) Navios Europe I and its subsidiaries (economic interest as of June 30, 2018 was 47.5%); (v) Navios Europe II and its subsidiaries (economic interest as of June 30, 2018 was 47.5%); and (vi) Navios Containers and its subsidiaries (economic interest as of June 30, 2018 was 3.1%).

(c)	Revenue Recognition:

Revenue is recorded when services are rendered, the Company has a signed charter agreement or other evidence of an arrangement, the price is fixed or determinable, and collection is reasonably assured. The Company generates revenue from transportation of cargo, time charter of vessels, port terminal operations, bareboat charters, contracts of affreightment/voyage contracts, demurrages and contracts covering dry or liquid port terminal operations.

Voyage revenues for the transportation of cargo were previously recognized ratably over the estimated relative transit time of each voyage. A voyage was deemed to commence when a vessel arrives at the loading port, as applicable under the contract, and was deemed to end upon the completion of the discharge of the current cargo. Under a voyage charter, a vessel is provided for the transportation of specific goods between specific ports in return for payment of an agreed upon freight per ton of cargo.

Revenues are recorded net of address commissions. Address commissions represent a discount provided directly to the charterers based on a fixed percentage of the agreed upon charter rate. Since address commissions represent a discount (sales incentive) on services rendered by the Company and no identifiable benefit is received in exchange for the consideration provided to the charterer, these commissions are presented as a reduction of revenue.

Revenue from contracts of affreightment (“COA”)/voyage contracts relating to our barges were previously recognized ratably over the estimated relative transit time of each voyage. A voyage was deemed to commence upon the barge’s arrival at the loading port, as applicable under the contract, and was deemed to end upon the completion of discharge under the current voyage. The percentage of transit time was based on the days traveled as of the balance sheet date divided by the total days expected for the voyage. The position of the barge at the balance sheet date was determined by the days traveled as of the balance sheet date over the total voyage of the pushboat having the barge in tow. Revenue arising from contracts that provide our customers with continuous access to convoy capacity was recognized ratably over the period of the contracts.

Demurrage income represents payments made by the charterer to the vessel owner when loading or discharging time exceeds the stipulated time in the voyage charter and is recognized as it is earned.

Upon adoption of ASC 606, the Company will recognize revenue ratably from the vessel’s/barge’s arrival at the loading port, as applicable under the contract, to when the charterer’s cargo is discharged as well as defer costs that meet the definition of “costs to fulfill a contract” and relate directly to the contract. The adoption of this standard had no material effect on the Company’s opening retained earnings, consolidated balance sheets and consolidated statements of comprehensive (loss)/income.

Revenues earned under contracts of affreightment (“COA”)/voyage contracts within the Dry Bulk Vessel Operations, amounted to $5,998 and $9,629 for the three month period ended June 30, 2018 and 2017, respectively and $14,617 and $19,288 for the six month periods ended June 30, 2018 and 2017, respectively. Revenues earned under contracts of affreightment (“COA”)/voyage contracts within the Logistics business, amounted to $10,623 and $13,145 for the three month period ended June 30, 2018 and 2017, respectively and $19,552 and $23,451 for the six month periods ended June 30, 2018 and 2017, respectively.

Revenues from time chartering and bareboat chartering of vessels and barges are accounted for as operating leases and are thus recognized on a straight line basis as the average revenue over the rental periods of such charter agreements as service is performed, except for loss generating time charters, in which case the loss is recognized in the period when such loss is determined. A time charter involves placing a vessel or barge at the charterer’s disposal for a period of time during which the charterer uses the vessel in return for the payment of a specified daily hire rate. Short period charters for less than three months are referred to as spot-charters. Charters extending three months to a year are generally referred to as medium-term charters. All other charters are considered long-term. Under time charters, operating costs such as for crews, maintenance and insurance are typically paid by the owner of the vessel. Revenues from time chartering of vessels in the Dry Bulk Vessel Operations amounted to $66,427 and $46,430 for the three month period ended June 30, 2018 and 2017, respectively and $122,161 and $83,725 for the six month periods ended June 30, 2018 and 2017, respectively. Revenues from time chartering and bareboat chartering of vessels and barges in the Logistics business amounted to $17,988 and $23,443 for the three month period ended June 30, 2018 and 2017, respectively and $36,534 and $41,350 for the six month periods ended June 30, 2018 and 2017, respectively.

For vessels operating in pooling arrangements, the Company earns a portion of total revenues generated by the pool, net of expenses incurred by the pool. The amount allocated to each pool participant vessel, including the Company’s vessels, is determined in accordance with an agreed-upon formula, which is determined by margins awarded to each vessel in the pool based on the vessel’s age, design and other performance characteristics. Revenue under pooling arrangements is accounted for on the accrual basis and is recognized in the period in which the variability is resolved. The allocation of such net revenue may be subject to future adjustments by the pool, however, such changes are not expected to be material. Revenue for vessels operating in pooling arrangements in the Dry Bulk Vessel Operations amounted to $0 and $2,792 for the three month period ended June 30, 2018 and 2017, respectively and $0 and $7,133 for the six month periods ended June 30, 2018 and 2017, respectively.

Profit-sharing revenues are calculated at an agreed percentage of the excess of the charterer’s average daily income (calculated on a quarterly or half-yearly basis) or the Baltic Dry Index over an agreed amount and accounted for on an accrual basis based on provisional amounts and for those contracts that provisional accruals cannot be made due to the nature of the profit sharing elements, these are accounted for on the actual cash settlement. Profit sharing results from the Dry Bulk Vessel Operations for the three month period ended June 30, 2018 and 2017 amounted to $(339) and $300, respectively and for the six month periods ended June 30, 2018 and 2017 amounted to $(205) and $445, respectively.

Revenues from dry port terminal operations consist of an agreed flat fee per ton and cover the services performed to unload barges (or trucks), transfer the product into silos or the stockpiles for temporary storage and then loading the ocean-going vessels. Revenues are recognized upon completion of loading the ocean-going vessels. Revenue arising from contracts that provide our customers with continuous access to port terminal storage and transshipment capacity is recognized ratably over the period of the contracts. Additionally, fees are charged for vessel dockage and for storage time in excess of contractually specified terms. Dockage revenues are recognized ratably up to completion of loading as the performance obligation is met evenly over the loading period. Storage fees are assessed and recognized at the point when the product remains in the silo storage beyond the contractually agreed time allowed. Storage fee revenue is recognized ratably over the storage period and ends when the product is loaded onto the ocean-going vessel. Revenue from port terminal operations of the Logistics business amounted to $20,201 and $11,895 for the three month period ended June 30, 2018 and 2017, respectively and $34,591 and $17,609 for the six month periods ended June 30, 2018 and 2017, respectively. Revenues from storage fees (dry port) of the Logistics business amounted to $74 and $329 for the three month period ended June 30, 2018 and 2017, respectively and $341 and $699 for the six month periods ended June 30, 2018 and 2017, respectively. Dockage revenues from the Logistics business in the dry port terminal operations amounted to $923 and $1,198 for the three month period ended June 30, 2018 and 2017, respectively and $1,530 and $1,854 for the six month periods ended June 30, 2018 and 2017, respectively.

Revenues from liquid port terminal consist mainly of sales of petroleum products in the Paraguayan market and revenues from liquid port operations. Revenues from liquid port terminal operations consist of an agreed flat fee per cubic meter or a fixed rate over a specific period to cover the services performed to unload barges, transfer the products into the tanks for temporary storage and then loading the trucks. Revenues that consist of an agreed flat fee per cubic meter are recognized upon completion of loading the trucks. Revenues from liquid port terminal operations that consist of a fixed rate over a specific period are recognized ratably over the storage period as the performance obligation is met evenly over time, ending when the product is loaded onto the trucks. Revenues from sale of products by the Logistics business amounted to $9,265 and $8,810 for the three month period ended June 30, 2018 and 2017, respectively and $17,690 and $16,822 for the six month periods ended June 30, 2018 and 2017, respectively. Revenues from liquid port terminal operations from the Logistics business amounted to $860 and $548 for the three month periods ended June 30, 2018 and 2017, respectively and $1,858 and $1,283 for the six month periods ended June 30, 2018 and 2017, respectively.

Additionally, revenues consist of an agreed flat fee per cubic meter to cover the services performed to unload barges, transfer the products into the tanks for temporary storage and then loading the trucks. Revenues are recognized upon completion of loading the trucks. Additionally, fees are charged for storage time in excess of contractually specified terms. Storage fee revenue is recognized ratably over the storage period and ends when the product is loaded onto the trucks.

Expenses related to our revenue-generating contracts are recognized as incurred.

Administrative fee revenue from affiliates: Administrative fee revenue from affiliates consists of fees earned on the provision of administrative services pursuant to administrative services agreements with our affiliates (Refer to Note 8). Administrative services include: bookkeeping, audit and accounting services, legal and insurance services, administrative and clerical services, banking and financial services, advisory services, client and investor relations and other general and administrative services. These revenues are recognized as the services are provided to affiliates.

The general and administrative expenses incurred on behalf of affiliates are determined based on a combination of actual expenses incurred on behalf of the affiliates as well as a reasonable allocation of expenses that are not affiliate specific but incurred on behalf of all affiliates.

Forward Freight Agreements (“FFAs”): Realized gains or losses from FFAs are recognized monthly concurrent with cash settlements. In addition, FFAs are “marked-to-market” quarterly to determine the fair values which generate unrealized gains or losses. The Company has not entered into FFA trades for any of the periods presented.

Deferred Income and Cash Received In Advance: Deferred voyage revenue primarily relates to cash received from charterers prior to it being earned. These amounts are recognized as revenue over the voyage or charter period.

(d)	Recent Accounting Pronouncements:

In January 2017, FASB issued ASU 2017-04, “Intangibles-Goodwill and Other (Topic 350)”. This update addresses concerns expressed about the cost and complexity of the goodwill impairment test and simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. The amendments in this ASU are required for public business entities and other entities that have goodwill reported in their financial statements and have not elected the private company alternative for the subsequent measurement of goodwill. The amendments are effective for public business entities that are SEC filers for fiscal years beginning after December 15, 2019. Early adoption is permitted for all entities. The Company is currently assessing the impact that adopting this new accounting guidance will have on its consolidated financial statements.

In January 2017, FASB issued ASU 2017-03, “Accounting Changes and Error Corrections (Topic 250) and Investments-Equity Method and Joint Ventures (Topic 323)”. The ASU amends the Codification for SEC staff announcements made at recent Emerging Issues Task Force (EITF) meetings. The SEC guidance that specifically relates to our consolidated financial statements was from the September 2016 meeting, where the SEC staff expressed their expectations about the extent of disclosures registrants should make about the effects of the new FASB guidance as well as any amendments issued prior to adoption, on revenue (ASU 2014-09), leases (ASU 2016-02) and credit losses on financial instruments (ASU 2016-13) in accordance with SAB Topic 11.M. Registrants are required to disclose the effect that recently issued accounting standards will have on their financial statements when adopted in a future period. In cases where a registrant cannot reasonably estimate the impact of the adoption, then additional qualitative disclosures should be considered. The ASU incorporates these SEC staff views into ASC 250 and adds references to that guidance in the transition paragraphs of each of the three new standards. The adoption of this ASU did not have a material effect on the Company’s consolidated financial statements.

In June 2016, FASB issued ASU No. 2016-13, “Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” This standard requires entities to measure all expected credit losses of financial assets held at a reporting date based on historical experience, current conditions, and reasonable and supportable forecasts in order to record credit losses in a more timely manner. ASU 2016-13 also amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The standard is effective for interim and annual reporting periods beginning after December 15, 2019, although early adoption is permitted for interim and annual periods beginning after December 15, 2018. The Company is currently assessing the impact that adopting this new accounting guidance will have on its consolidated financial statements.

In February 2016, FASB issued ASU 2016-02, “Leases (Topic 842)”. ASU 2016-02 will apply to both capital (or finance) leases and operating leases. According to ASU 2016-02, lessees will be required to recognize assets (right of use asset) and liabilities (lease liabilities) on the balance sheet for both types of leases, capital (or finance) leases and operating leases, with terms greater than 12 months. ASU 2016 – 02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted.

This guidance requires companies to identify lease and non-lease components of a lease agreement. Lease components relate to the right to use the leased asset and non-lease components relate to payments for goods or services that are transferred separately from the right to use the underlying asset. Total lease consideration is allocated to lease and non-lease components on a relative standalone basis. The recognition of revenues related to lease components will be governed by ASC 842 while revenue related to non-lease components will be subject to ASC 606.

In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842 Leases (“ASU 2018-10”). The amendments in ASU 2018-10 affect narrow aspects of the guidance issued in the amendments in ASU 2016-02. The amendments in this Update affect the amendments in Update 2016-02, which are not yet effective, but for which early adoption upon issuance is permitted. For entities that early adopted Topic 842, the amendments are effective upon issuance of this Update, and the transition requirements are the same as those in Topic 842. For entities that have not adopted Topic 842, the effective date and transition requirements will be the same as the effective date and transition requirements in Topic 842.

In addition, in July 2018, the FASB issued ASU 2018-11, Targeted Improvements to Topic 842 Leases (“ASU 2018-11). The improvements in ASU 2018-11 provide for (a) an optional new transition method for adoption that results in initial recognition of a cumulative effect adjustment to retained earnings in the year of adoption and (b) a practical expedient for lessors, under certain circumstances, to combine the lease and non-lease components of revenues for presentation purposes.

ASC 842 provides practical expedients that allow entities to not (i) reassess whether any expired or existing contracts are considered or contain leases; (ii) reassess the lease classification for any expired or existing leases; and (iii) reassess initial direct costs for any existing leases.

The Company plans to adopt the standard on January 1, 2019 and expects to elect the use of practical expedients. The Company intends to apply the alternative transition method for adoption as described above. Based on a preliminary assessment, the Company expects the adoption of this guidance to have a material impact on its assets and liabilities due to its charter-in contracts and the recognition of right-of-use assets and lease liabilities on its consolidated balance sheets although adoption is not expected to significantly change the recognition, measurement or presentation of lease expenses within the statements of comprehensive (loss)/income or cash flows.

With regards to the Company’s charter-out contracts, the Company is not expecting that the adoption will have a material effect on its consolidated financial statements since the Company is a lessor for these charter-out contracts and the changes are fairly minor. The Company expects to elect the use of practical expedient available to lessors which allows good and services embedded in the charter-out contract that qualify as non-lease components to be combined under a single lease component presentation.

The Company is continuing its assessment of other miscellaneous leases, which have lease terms greater than 12 months and the Company is the lessee and may identify additional impacts this guidance will have on the consolidated financial statements and disclosures.

Vessels, Port Terminal and Other Fixed Assets, Net

6 Months Ended

Jun. 30, 2018

VESSELS, PORT TERMINALS AND OTHER FIXED ASSETS, NET [Abstract]

VESSELS, PORT TERMINALS AND OTHER FIXED ASSETS, NET

NOTE 3: VESSELS, PORT TERMINALS AND OTHER FIXED ASSETS, NET


Vessels, Port Terminals and Other Fixed Assets, net	Cost		Accumulated Depreciation			Net Book Value
Balance December 31, 2017	$	2,553,047	$	(743,822	)	$	1,809,225
Additions		5,111		(47,818)			(42,707)
Impairment losses		(48,007)		35,926			(12,081)
Vessel disposals		(7,682)		—			(7,682)
Other disposals		(156)		137			(19)
Write offs		(34)		—			(34)
Vessel acquisition		10,255		(53)			10,202
Transfers from deposits for vessels, port terminal and other fixed assets, net		32,032		—			32,032
Balance June 30, 2018	$	2,544,566	$	(755,630)		$	1,788,936

Deposits for Vessels, Port Terminal and Other Fixed Assets Acquisitions

During the first quarter of 2018, three new pushboats were delivered to Navios Logistics. As of June 30, 2018, a total of $32,032 had been transferred to “Vessels, port terminals and other fixed assets, net” in the consolidated balance sheets of which capitalized interest amounted to $3,874. As of December 31, 2017, Navios Logistics had paid $30,708 for the construction of the three new pushboats.

Navios Logistics has signed a shipbuilding contract for the construction of a river and estuary tanker for a total consideration of $14,443 (€12,400). As of June 30, 2018 and December 31, 2017, Navios Logistics had paid $8,255 and $6,141, respectively (including supervision cost). Capitalized interest included in deposits for vessels, port terminals and other fixed assets for the construction of this tanker amounted to $466 and $205 as of June 30, 2018 and December 31, 2017, respectively. The vessel was delivered in the third quarter of 2018. Pursuant to this acquisition Navios Logistics entered into a credit agreement with the shipbuilder for an amount of $7,222 (€6,200) to finance the 50% of the purchase price of the tanker vessel.

Impairment losses

In July 2018, Navios Holdings completed the sale to an unrelated third party of the Navios Achilles, a 2001 built, 52,063 dwt vessel, for a total net sale price of $8,085 paid in cash. As of June 30, 2018, Navios Holdings total impairment loss recognized due to the sale amounted to $6,595 (including $748 remaining carrying balance of dry dock and special survey costs).

In March 2018, Navios Holdings completed the sale to an unrelated third party of the Navios Herakles, a 2001 built, 52,061 dwt vessel, for a total net sale price of $7,682 paid in cash. The impairment loss due to the sale amounted to $6,715 (including $481 remaining carrying balance of dry dock and special survey costs).

Vessel acquisitions

In February 2018, Navios Holdings acquired from an unrelated third party, a previously chartered-in vessel, Navios Equator Prosper, a 2000 built, 171,191 dwt vessel, for a total acquisition cost of $10,255 which was paid in cash.

Navios Logistics

On September 4, 2017, Navios Logistics signed an agreement for the construction of covers for dry barges for a total consideration of $1,115. As of June 30, 2018, Navios Logistics had paid the whole amount (as of December 31, 2017, Navios Logistics had paid $629).

In February 2017, two fully depreciated self-propelled barges of Navios Logistics’ fleet, Formosa and San Lorenzo, were sold for a total amount of $1,109, to be paid in cash. Sale price will be received in installments in the form of lease payments through 2023. The barges may be transferred at the lessee’s option at no cost at the end of the lease period.

Intangible Assets Other Than Goodwill

6 Months Ended

Jun. 30, 2018

INTANGIBLE ASSETS OTHER THAN GOODWILL [Abstract]

INTANGIBLE ASSETS OTHER THAN GOODWILL

NOTE 4: INTANGIBLE ASSETS OTHER THAN GOODWILL


Intangible assets		June 30, 2018		December 31, 2017
Acquisition cost (*)		$	190,212	$	200,610
Accumulated amortization			(76,522)		(73,790	)
Write offs			—		(10,398	)
Total Intangible assets net book value		$	113,690	$	116,422

(*)	As of both June 30, 2018 and December 31, 2017, intangible assets associated with the favorable lease terms included an amount of $1,150 related to purchase options for the vessels.

Amortization expense for the three month periods ended June 30, 2018 and 2017 amounted to $1,411 and $1,725, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $2,734 and $3,445, respectively.

The remaining aggregate amortization of acquired intangibles as of June 30, 2018 will be as follows:


Period
Year One	$	5,581
Year Two		5,588
Year Three		5,581
Year Four		5,581
Year Five		5,581
Thereafter		84,628
Total	$	112,540

Borrowings

6 Months Ended

Jun. 30, 2018

BORROWINGS [Abstract]

BORROWINGS

NOTE 5: BORROWINGS

Borrowings, as of June 30, 2018 and December 31, 2017, consisted of the following:


Facility	June 30, 2018		December 31, 2017
Secured credit facilities	$	205,694	$	219,856
2022 Senior Secured Notes		305,000		305,000
2022 Notes		650,000		650,000
2022 Logistics Senior Notes		375,000		375,000
Navios Logistics other long-term loans and notes payable		162,715		167,912
Total borrowings		1,698,409		1,717,768
Less: current portion, net		(31,142)		(33,885	)
Less: deferred finance costs, net		(31,789)		(35,280	)
Total long-term borrowings	$	1,635,478	$	1,648,603

Secured Credit Facilities

As of June 30, 2018, the Company had secured credit facilities with various banks with a total outstanding balance of $205,694. The purpose of the facilities was to finance the construction or acquisition of vessels or refinance existing indebtedness. All of the facilities are denominated in U.S. dollars and bear interest based on LIBOR plus spread ranging from 2.55% to 3.60% per annum. The facilities are repayable in either semi-annual or quarterly installments, followed by balloon payments with maturities, ranging from March 2020 to November 2022. See also the maturity table included below.

The facilities are secured by first priority mortgages on certain of Navios Holdings’ vessels and other collateral.

The credit facilities contain a number of restrictive covenants that limit Navios Holdings and/or certain of its subsidiaries from, among other things: incurring or guaranteeing indebtedness; entering into affiliate transactions; charging, pledging or encumbering the vessels securing such facilities; changing the flag, class, management or ownership of certain Navios Holdings’ vessels; changing the commercial and technical management of certain Navios Holdings’ vessels; selling or changing the ownership of certain Navios Holdings’ vessels; and subordinating the obligations under the credit facilities to any general and administrative costs relating to the vessels. The credit facilities also require the vessels to comply with the ISM Code and ISPS Code and to maintain valid safety management certificates and documents of compliance at all times. Additionally, the credit facilities require compliance with the covenants contained in the indentures governing the 2022 Senior Secured Notes (as defined below) and the 2022 Notes (as defined below). Among other events, it will be an event of default under the credit facilities if the financial covenants are not complied with or if Angeliki Frangou and her affiliates, together, own less than 20% of the outstanding share capital of Navios Holdings.

The majority of the Company’s senior secured credit facilities require compliance with maintenance covenants, including (i) value-to-loan ratio covenants, based on either charter-adjusted valuations, or charter-free valuations, ranging from over 115% to 135%, (ii) minimum liquidity up to a maximum of $30,000, and (iii) net total debt divided by total assets, as defined in each senior secured credit facility, ranging from a maximum of 75% to 80%. Certain covenants in our senior secured credit facilities have been amended for a specific period of time up to a maximum of two quarters (from the current balance sheet date) to include net total debt divided by total assets, as defined in each senior secured credit facility, to a maximum of 85% to 90%.

As of June 30, 2018, the Company was in compliance with all of the covenants under each of its credit facilities.

2022 Senior Secured Notes

On November 21, 2017, the Company and its wholly owned subsidiary, Navios Maritime Finance II (US) Inc. (together with the Company, the “Co-Issuers”) issued $305,000 of 11.25% Senior Notes due 2022 (the “2022 Senior Secured Notes”), at a price of 97%.

The 2022 Senior Secured Notes are secured by a first priority lien on the capital stock owned by certain of the subsidiary guarantors of Navios Holdings in each of Navios Maritime Partners L.P., Navios GP L.L.C., Navios Maritime Acquisition Corporation, Navios South American Logistics Inc. and Navios Maritime Containers Inc. The 2022 Senior Secured Notes are unregistered and guaranteed by all of the Company’s direct and indirect subsidiaries, except for certain subsidiaries designated as unrestricted subsidiaries, including Navios South American Logistics Inc. The subsidiary guarantees are “full and unconditional”, except that the indenture provides for an individual subsidiary’s guarantee to be automatically released in certain customary circumstances, such as when a subsidiary is sold or all of the assets of the subsidiary are sold, the capital stock is sold, when the subsidiary is designated as an “unrestricted subsidiary” for purposes of the indenture, upon liquidation or dissolution of the subsidiary or upon legal or covenant defeasance or satisfaction and discharge of the 2022 Senior Secured Notes. The net proceeds of the offering were used to complete a cash tender offer for its outstanding 8.125% Senior Notes due 2019 described below (the “2019 Notes”) and to redeem notes not purchased in the tender offer, including the payment of related fees and expenses and any redemption premium.

The Co-Issuers have the option to redeem the 2022 Senior Secured Notes in whole or in part, at any time on or after November 21, 2017 at a fixed price of 108.438%, which price declines ratably until it reaches par in January 2019.

The 2022 Senior Secured Notes contain covenants which, among other things, limit the incurrence of additional indebtedness, issuance of certain preferred stock, the payment of dividends, redemption or repurchase of capital stock or making restricted payments and investments, creation of certain liens, transfer or sale of assets, entering in transactions with affiliates, merging or consolidating or selling all or substantially all of the Co-Issuers’ properties and assets and creation or designation of restricted subsidiaries. The Co-Issuers were in compliance with the covenants as of June 30, 2018.

2019 Notes

On January 28, 2011, the Company and its wholly owned subsidiary, Navios Maritime Finance II (US) Inc. completed the sale of $350,000 of 2019 Notes. During July, August and October 2016, the Company repurchased $58,906 of its 2019 Notes for a cash consideration of $30,671 resulting in a gain on bond extinguishment of $27,670, net of deferred fees written-off. On November 21, 2017, Co-Issuers completed the sale of the 2022 Senior Secured Notes. The net proceeds of the offering of the 2022 Senior Secured Notes have been used to repay, in full, the outstanding amount of the 2019 Notes.

2022 Notes

On November 29, 2013, Navios Holdings completed the sale of $650,000 of its 7.375% First Priority Ship Mortgage Notes due 2022 (the “2022 Notes”).

The 2022 Notes are senior obligations of Navios Holdings and Navios Maritime Finance II (US) Inc. (the “2022 Co-Issuers”) and were originally secured by first priority ship mortgages on 23 dry bulk vessels owned by certain subsidiary guarantors and certain other associated property and contract rights. In June 2017, Navios Ionian and Navios Horizon were released from the 2022 Notes and replaced by the Navios Galileo. In March 2018, Navios Herakles was released from the 2022 Notes and replaced by the Navios Equator Prosper. The 2022 Notes are unregistered and fully and unconditionally guaranteed, jointly and severally by all of the Company’s direct and indirect subsidiaries that guarantee the 2019 Notes and Navios Maritime Finance II (US) Inc. The guarantees of the Company’s subsidiaries that own mortgaged vessels are senior secured guarantees and the guarantees of the Company’s subsidiaries that do not own mortgaged vessels are senior unsecured guarantees. In addition, the 2022 Co-Issuers have the option to redeem the 2022 Notes in whole or in part, at any time on or after January 15, 2017, at a fixed price of 105.531%, which price declines ratably until it reaches par in 2020.

Furthermore, upon occurrence of certain change of control events, the holders of the 2022 Notes may require the 2022 Co-Issuers to repurchase some or all of the 2022 Notes at 101% of their face amount. The 2022 Notes contain covenants, which among other things, limit the incurrence of additional indebtedness, issuance of certain preferred stock, the payment of dividends, redemption or repurchase of capital stock or making restricted payments and investments, creation of certain liens, transfer or sale of assets, entering into certain transactions with affiliates, merging or consolidating or selling all or substantially all of the 2022 Co-Issuers’ properties and assets and creation or designation of restricted subsidiaries. The 2022 Co-Issuers were in compliance with the covenants as of June 30, 2018.

2022 Logistics Senior Notes

On April 22, 2014, Navios Logistics and its wholly-owned subsidiary Navios Logistics Finance (US) Inc. (“Logistics Finance” and, together with Navios Logistics (the “Logistics Co-Issuers”) issued $375,000 in aggregate principal amount of Senior Notes due on May 1, 2022 (the “2022 Logistics Senior Notes”), at a fixed rate of 7.25%. The 2022 Logistics Senior Notes are unregistered and are fully and unconditionally guaranteed, jointly and severally, by all of Navios Logistics’ direct and indirect subsidiaries except for Horamar do Brasil Navegaçăo Ltda (“Horamar do Brasil”), Naviera Alto Parana S.A. (“Naviera Alto Parana”) and Terra Norte Group S.A. (“Terra Norte”), which do not guarantee the 2022 Logistics Senior Notes pursuant to certain exceptions under the indenture, and Logistics Finance, which is the co-issuer of the 2022 Logistics Senior Notes. The subsidiary guarantees are “full and unconditional” except that the indenture provides for an individual subsidiary’s guarantee to be automatically released in certain customary circumstances, such as in connection with a sale or other disposition of all or substantially all of the assets of the subsidiary, in connection with the sale of a majority of the capital stock of the subsidiary, if the subsidiary is designated as an “unrestricted subsidiary” in accordance with the indenture, upon liquidation or dissolution of the subsidiary or upon legal or covenant defeasance or satisfaction and discharge of the 2022 Logistics Senior Notes.

The Logistics Co-Issuers have the option to redeem the 2022 Logistics Senior Notes in whole or in part, at their option, at any time on or after May 1, 2017, at a fixed price of 105.438%, which price declines ratably until it reaches par in 2020. In addition, upon the occurrence of certain change of control events, the holders of the 2022 Logistics Senior Notes will have the right to require the Logistics Co-Issuers to repurchase some or all of the 2022 Logistics Senior Notes at 101% of their face amount, plus accrued and unpaid interest to the repurchase date.

The indenture governing the 2022 Logistics Senior Notes contains covenants which, among other things, limit the incurrence of additional indebtedness, issuance of certain preferred stock, the payment of dividends in excess of 6% per annum of the net proceeds received by or contributed to Navios Logistics in or from any public offering, redemption or repurchase of capital stock or making restricted payments and investments, creation of certain liens, transfer or sale of assets, entering into transactions with affiliates, merging or consolidating or selling all or substantially all of Navios Logistics’ properties and assets and creation or designation of restricted subsidiaries.

The indenture governing the 2022 Logistics Senior Notes include customary events of default, including failure to pay principal and interest on the 2022 Logistics Senior Notes, a failure to comply with covenants, a failure by Navios Logistics or any significant subsidiary or any group of restricted subsidiaries that, taken together, would constitute a significant subsidiary to pay material judgments or indebtedness and bankruptcy and insolvency events with respect to us or any significant subsidiary or any group of restricted subsidiaries that, taken together, would constitute a significant subsidiary.

As of June 30, 2018, all subsidiaries, including Logistics Finance, Horamar do Brasil, Naviera Alto Parana and Terra Norte are 100% owned. Logistics Finance, Horamar do Brasil, Naviera Alto Parana and Terra Norte do not have any independent assets or operations.

In addition, there are no significant restrictions on (i) the ability of the parent company, any issuer (or co-issuer) or any guarantor subsidiaries of the 2022 Logistics Senior Notes to obtain funds by dividend or loan from any of their subsidiaries or (ii) the ability of any subsidiaries to transfer funds to the issuer (or co-issuer) or any guarantor subsidiaries.

The 2022 Logistics Co-Issuers were in compliance with the covenants as of June 30, 2018.

Navios Logistics

As of June 30, 2018, Navios Logistics had long-term loans and notes payable with a total outstanding balance of $162,715. The purpose of the facilities was to finance the construction of its dry port terminal, the acquisition of vessels, or for general corporate purposes. The facilities are mainly denominated in U.S. dollars and bear interest based on LIBOR plus spread ranging from 3.15% to 3.25% per annum. The facilities are repayable in installments and have maturities ranging from September 2021 to November 2024. See also maturity table included below.

Navios Acquisition Loan

On November 3, 2017, the Company prepaid in full the outstanding amount of $55,132 under its secured loan facility of up to $70,000 with Navios Acquisition entered into in September 2016. The prepayment amount consisted of the $50,000 drawn under the facility and $5,132 of accrued interest. Please see also Note 8.

During the six month period ended June 30, 2018, the Company, in relation to its secured credit facilities, paid $19,342 related to scheduled repayment installments.

The annualized weighted average interest rates of the Company’s total borrowings were 7.57% and 6.91% for the three month periods ended June 30, 2018 and 2017, respectively, and 7.50% and 6.89% for the six month periods ended June 30, 2018 and 2017, respectively.

The maturity table below reflects the principal payments for the next five years and thereafter of all borrowings of Navios Holdings (including Navios Logistics) outstanding as of June 30, 2018, based on the repayment schedules of the respective loan facilities and the outstanding amount due under the debt securities.


Payment due by period
June 30, 2019	$	33,203
June 30, 2020		73,022
June 30, 2021		30,560
June 30, 2022		1,217,875
June 30, 2023		338,695
June 30, 2024 and thereafter		5,054
Total	$	1,698,409

Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2018

FAIR VALUE OF FINANCIAL INSTRUMENTS [abstract]

FAIR VALUE OF FINANCIAL INSTRUMENTS

NOTE 6: FAIR VALUE OF FINANCIAL INSTRUMENTS

The following methods and assumptions were used to estimate the fair value of each class of financial instrument:

Cash and cash equivalents: The carrying amounts reported in the consolidated balance sheets for interest bearing deposits and money market funds approximate their fair value because of the short maturity of these investments.

Restricted cash: The carrying amounts reported in the consolidated balance sheets for interest bearing deposits approximate their fair value because of the short maturity of these investments.

Borrowings: The book value has been adjusted to reflect the net presentation of deferred financing costs. The outstanding balance of the floating rate loans continues to approximate its fair value, excluding the effect of any deferred finance costs. The 2022 Senior Secured Notes, the 2022 Notes, the 2022 Logistics Senior Notes and one Navios Logistics’ loan are fixed rate borrowings and their fair value was determined based on quoted market prices.

Loan receivable from affiliate companies: The carrying amount of the floating rate loan approximates its fair value.

Long-term payable to affiliate companies: The carrying amount of the long-term payable approximates its fair value.

Investments in available-for-sale securities: The carrying amount of the investments in available-for-sale securities reported in the consolidated balance sheets represents unrealized gains and losses on these securities, which are reflected directly in the consolidated statements of comprehensive (loss)/income at each reporting period.

The estimated fair values of the Company’s financial instruments are as follows:


	June 30, 2018				December 31, 2017
	Book Value		Fair Value		Book Value			Fair Value
Cash and cash equivalents	$	118,454	$	118,454	$	127,632		$	127,632
Restricted cash	$	2,978	$	2,978	$	6,558		$	6,558
Investments in available-for-sale-securities	$	211	$	211	$	238		$	238
Loan receivable from affiliate companies	$	31,588	$	31,588	$	30,112		$	30,112
Senior and ship mortgage notes, net	$	(1,304,608)	$	(1,148,252)	$	(1,301,999	)	$	(1,181,838	)
Long-term debt, including current portion	$	(362,012)	$	(368,410)	$	(380,489	)	$	(389,332	)
Long term payable to affiliate companies	$	(87,422)	$	(87,422)	$	(76,872	)	$	(76,872	)

The following table sets forth our assets that are measured at fair value on a recurring basis categorized by fair value hierarchy level. As required by the fair value guidance, assets are categorized in their entirety based on the lowest level of input that is significant to the fair value measurement.

	Fair Value Measurements as of June 30, 2018
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Investments in available-for-sale-securities	$	211	$	211	$	—	$	—
Total	$	211	$	211	$	—	$	—


	Fair Value Measurements as of December 31, 2017
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Investments in available-for-sale-securities	$	238	$	238	$	—	$	—
Total	$	238	$	238	$	—	$	—

The Company’s assets measured at fair value on a non-recurring basis were:

	Fair Value Measurements as of June 30, 2018
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Vessels, port terminals and other fixed assets, net (for Navios Achilles)	$	8,082	$	8,082	$	—	$	—
Total	$	8,082	$	8,082	$	—	$	—

	Fair Value Measurements as of December 31, 2017
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Vessels, port terminals and other fixed assets, net	$	16,500	$	—	$	16,500	$	—
Total	$	16,500	$	—	$	16,500	$	—

The Company recorded an impairment loss of $32,930 during the year ended December 31, 2017 for one of its vessels, thus reducing vessel’s net book value to $16,500, as at December 31, 2017.

Fair Value Measurements

The estimated fair value of our financial instruments that are not measured at fair value on a recurring basis, categorized based upon the fair value hierarchy, are as follows:

Level I: Inputs are unadjusted, quoted prices for identical assets or liabilities in active markets that we have the ability to access. Valuation of these items does not entail a significant amount of judgment.

Level II: Inputs other than quoted prices included in Level I that are observable for the asset or liability through corroboration with market data at the measurement date.

Level III: Inputs that are unobservable.


		Fair Value Measurements at June 30, 2018
		Total				(Level I)				(Level II)				(Level III)
Cash and cash equivalents		$	118,454			$	118,454			$	—			$	—
Restricted cash		$	2,978			$	2,978			$	—			$	—
Loan receivable from affiliate companies(2)		$	31,588			$	—			$	31,588			$	—
Senior and ship mortgage notes		$	(1,148,252)			$	(1,148,252)			$	—			$	—
Long-term debt, including current portion(1)		$	(368,410)			$	—			$	(368,410)			$	—
Long-term payable to affiliate companies(2)		$	(87,422)			$	—			$	(87,422)			$	—
		Fair Value Measurements at December 31, 2017
		Total				(Level I)				(Level II)				(Level III)
Cash and cash equivalents		$		127,632		$		127,632		$		—		$	—
Restricted cash		$		6,558		$		6,558		$		—		$	—
Loan receivable from affiliate companies(2)		$		30,112		$		—		$		30,112		$	—
Senior and ship mortgage notes		$		(1,181,838	)	$		(1,181,838	)	$		—		$	—
Long-term debt, including current portion(1)		$		(389,332	)	$		—		$		(389,332	)	$	—
Long-term payable to affiliate companies(2)		$		(76,872	)	$		—		$		(76,872	)	$	—
(1)	The fair value of the Company’s long-term debt is estimated based on currently available debt with similar contract terms, interest rates and remaining maturities, published quoted market prices as well as taking into account the Company’s creditworthiness.
(2)	The fair value of the Company’s loan receivable from/ payable to affiliate companies and long-term receivable from/payable to affiliate companies is estimated based on currently available debt with similar contract terms, interest rate and remaining maturities as well as taking into account the counterparty’s creditworthiness.

Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

COMMITMENTS AND CONTINGENCIES [Abstract]

COMMITMENTS AND CONTINGENCIES

NOTE 7: COMMITMENTS AND CONTINGENCIES

As of June 30, 2018, the Company was contingently liable for letters of guarantee and letters of credit amounting to $600 (December 31, 2017: $590) issued by various banks in favor of various organizations and the total amount was collateralized by cash deposits, which were included as a component of restricted cash.

In December 2017, the Company agreed to charter-in, under a ten year bareboat contract, from an unrelated third party a newbuilding bulk carrier vessel of about 82,000 dwt, expected to be delivered in the fourth quarter of 2019. The Company has agreed to pay in total $5,410 representing a deposit for the option to acquire the vessel, of which $2,705 was paid during the year ended December 31, 2017. As of June 30, 2018, the total amount of $2,786, including expenses and interest, is presented under the caption “Other long-term assets”.

In January 2018, Navios Holdings agreed to charter-in, under two ten-year bareboat contracts, from an unrelated third party two newbuilding bulk carriers of about 82,000 dwt per vessel, expected to be delivered in the third quarter of 2019 and the first quarter of 2020 respectively. Navios Holdings has agreed to pay in total $11,140, representing a deposit for the option to acquire these vessels, of which $5,570 was paid during the period ended June 30, 2018. As of June 30, 2018, the total amount of $5,765, including expenses and interest, is presented under the caption “Other long-term assets”.

In April 2018, Navios Holdings agreed to charter-in, under one ten-year bareboat contract, from an unrelated third party one newbuilding bulk carrier of about 81,000 dwt, expected to be delivered in the fourth quarter of 2019. Navios Holdings has agreed to pay in total $5,590, representing a deposit for the option to acquire this vessel, of which $2,795 was paid during the period ended June 30, 2018. As of June 30, 2018, the total amount of $2,872, including expenses and interest, is presented under the caption “Other long-term assets”.

Navios Logistics has issued a guarantee and indemnity letter that guarantees the performance by Petrolera San Antonio S.A. (a consolidated subsidiary) of all its obligations to Vitol S.A. up to $12,000. This guarantee expires on March 1, 2019.

The Company is involved in various disputes and arbitration proceedings arising in the ordinary course of business. Provisions have been recognized in the financial statements for all such proceedings where the Company believes that a liability may be probable, and for which the amounts can be reasonably estimated, based upon facts known on the date the financial statements were prepared. Although the Company cannot predict with certainty the ultimate resolutions of these matters, in the opinion of management, the ultimate disposition of these matters is not expected to have a material adverse effect on the Company’s financial position, results of operations or liquidity.

Navios Logistics had a dispute with Vale International S.A. (“Vale”) regarding the termination date of a COA contract, which was under arbitration proceedings in New York. Related to this arbitration, Navios Logistics issued a letter of credit amounting to $2,900 and the total amount was collateralized by a cash deposit, which was presented as restricted cash in the accompanying balance sheets as of December 31, 2016. On February 10, 2017, the arbitration tribunal ruled in favor of Navios Logistics. Vale was ordered to pay Navios Logistics $21,500, compensating for all unpaid invoices, late payment of invoices, and legal fees incurred. An amount of $1,157 was recorded in the consolidated statements of operations under “Other income, net” as part of this compensation during the first quarter of 2017. The full amount was received in March 2017, and the collateralized cash amount of $2,900, was released.

On March 30, 2016, Navios Logisitics received written notice from Vale stating that Vale did not intend to perform the service contract entered into between CNSA and Vale on September 27, 2013, relating to the iron ore port facility in Nueva Palmira, Uruguay. Navios Logistics initiated arbitration proceedings in London on June 10, 2016 pursuant to the dispute resolution provisions of the service contract. On December 20, 2016, a London arbitration tribunal ruled that the Vale port contract remains in full force and effect. If Vale were to further repudiate or renounce the contract, we may elect to terminate the contract and then would be entitled to damages calculated by reference to guaranteed volumes and agreed tariffs for the remaining period of the contract.

The Company, in the normal course of business, entered into contracts to time charter-in vessels for various periods through 2030.

As of June 30, 2018, the Company’s future minimum commitments, net of commissions under chartered-in vessels, barges and pushboats were as follows:


	Charter-in Vessels, barges and pushboats in operation		Charter-in vessels to be delivered
June 30, 2019	$	119,315	$	4,306
June 30, 2020		104,243		13,693
June 30, 2021		78,832		17,156
June 30, 2022		54,222		16,944
June 30, 2023		39,072		16,706
June 30, 2024 and thereafter		59,035		53,440
Total	$	454,719	$	122,245

As of June 30, 2018, Navios Logistics had obligations related to the construction of a river and estuary tanker (including supervision costs) of $7,222, until the third quarter of 2018.

As of June 30, 2018, Navios Logistics had operating lease obligations relating to chartered-in barges through March 2020.

Transactions with Related Parties	6 Months Ended
Transactions with Related Parties	Jun. 30, 2018
TRANSACTIONS WITH RELATED PARTIES [Abstract]
TRANSACTIONS WITH RELATED PARTIES	NOTE 8: TRANSACTIONS WITH RELATED PARTIES Office rent: The Company has entered into lease agreements with Goldland Ktimatiki-Ikodomiki-Touristiki Xenodohiaki Anonimos Eteria and Emerald Ktimatiki-Ikodomiki Touristiki Xenodohiaki Anonimos Eteria, both of which are Greek corporations that are currently majority-owned by Angeliki Frangou, Navios Holdings’ Chairman and Chief Executive Officer. The lease agreements provide for the leasing of facilities located in Piraeus, Greece to house the operations of most of the Company’s subsidiaries. The total annual lease payments are in aggregate €939 (approximately $1,136) and the lease agreements continue to be effective until either party terminates the agreement or until they expire in 2019. These payments are subject to annual adjustments, which are based on the inflation rate prevailing in Greece as reported by the Greek State at the end of each year. Purchase of services: The Company utilizes its affiliate company, Acropolis, as a broker. Commissions charged from Acropolis for each of the three and six month periods ended June 30, 2018 and 2017 were $0. Included in the trade accounts payable at both June 30, 2018 and December 31, 2017 was an amount due to Acropolis of $76. Vessels charter hire: From 2012, Navios Holdings has entered into charter-in contracts for certain of Navios Partners’ vessels, all of which have been redelivered by April 2016. In 2015, the Company entered into various charters with Navios Partners for the Navios Gemini, Navios Hyperion, Navios Soleil, Navios Harmony, Navios Orbiter, Navios Fantastiks, Navios Alegria, Navios Pollux and Navios Sun. The terms of these charters were approximately nine to twelve months, at a net daily rate of $7.6, $12.0, $12.0, $12.0, $12.0, $12.5, $12.0, $11.4 and $12.0, respectively plus 50/50 profit sharing based on actual earnings at the end of the period. In November 2016 the Company entered into a charter with Navios Partners for the Navios Fulvia, a 2010-built Capesize vessel. The term of this charter was approximately three months from November 2016, at a net daily rate of $11.5. Total charter hire expense for all vessels for each of the three month periods ended June 30, 2018 and 2017 were $0, and for the six month periods ended June 30, 2018 and 2017 were $0 and $651, respectively, and were included in the consolidated statement of comprehensive (loss)/income under “Time charter, voyage and logistics business expenses”. Management fees: Navios Holdings provides commercial and technical management services to Navios Partners’ vessels for a daily fixed fee. This daily fee covers all of the vessels’ operating expenses, including the cost of drydock and special surveys. In each of October 2013, August 2014, and February 2015, the Company amended its existing management agreement with Navios Partners to fix the fees for ship management services of its owned fleet at: (i) $4.0 daily rate per Ultra-Handymax vessel; (ii) $4.1 daily rate per Panamax vessel; (iii) $5.1 daily rate per Capesize vessel; (iv) $6.5 daily rate per container vessel of TEU 6,800; (v) $7.2 daily rate per container vessel of more than TEU 8,000; and (vi) $8.5 daily rate per very large container vessel of more than TEU 13,000 through December 31, 2015. In February 2016, the Company further amended its existing management agreement to fix the fees for ship management services of its owned fleet at: (i) $4.1 daily rate per Ultra-Handymax vessel; (ii) $4.2 daily rate per Panamax vessel; (iii) $5.25 daily rate per Capesize vessel; (iv) $6.7 daily rate per container vessel of TEU 6,800; (v) $7.4 daily rate per container vessel of more than TEU 8,000; and (vi) $8.75 daily rate per very large container vessel of more than TEU 13,000 through December 31, 2017. In November 2017, the Company further amended its existing management agreement to fix the fees for ship management services of its owned fleet at: (i) $4.2 daily rate per Ultra-Handymax vessel; (ii) $4.3 daily rate per Panamax vessel; (iii) $5.25 daily rate per Capesize vessel; (iv) $6.7 daily rate per container vessel of TEU 6,800; (v) $7.4 daily rate per container vessel of more than TEU 8,000; and (vi) $8.75 daily rate per very large container vessel of more than TEU 13,000 through December 31, 2019. Drydocking expenses will be reimbursed by Navios Partners at cost at occurrence. Total management fees for the three month periods ended June 30, 2018 and 2017 amounted to $17,382 and $14,322, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $34,072 and $28,665, and are presented net under the caption “Direct vessel expenses”. Navios Holdings provides commercial and technical management services to Navios Acquisition’s vessels for a daily fee that was fixed. This daily fee covers all of the vessels’ operating expenses, other than certain fees and costs. Actual operating costs and expenses would be determined in a manner consistent with how the initial fixed fees were determined. In May 2014, Navios Holdings extended the duration of its existing management agreement with Navios Acquisition until May 2020 and fixed the fees for ship management services of Navios Acquisition owned fleet for two additional years through May 2016 at $6.0 per owned MR2 product tanker and chemical tanker vessel, $7.0 per owned LR1 product tanker vessel and reduced the daily rate to $9.5 per VLCC vessel. In May 2016, Navios Holdings amended its agreement with Navios Acquisition to fix the fees for ship management services of Navios Acquisition owned fleet at a daily fee of (i) $6.35 per MR2 product tanker and chemical tanker vessel; (ii) $7.15 per LR1 product tanker vessel; and (iii) $9.5 per VLCC through May 2018. In May 2018, Navios Holdings amended its agreement with Navios Acquisition to fix the fees for ship management services of Navios Acquisition owned fleet at a daily fee of (i) $6.5 per MR2 product tanker and chemical tanker vessel; (ii) $7.15 per LR1 product tanker vessel; and (iii) $9.5 per VLCC through May 2020. Drydocking expenses under this agreement will be reimbursed at cost at occurrence for all vessels. Total management fees for the three month periods ended June 30, 2018 and 2017 amounted to $22,913 and $23,678, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $46,312 and $47,096, respectively, and are presented net under the caption “Direct vessel expenses”. Pursuant to a management agreement dated December 13, 2013, Navios Holdings provides commercial and technical management services to Navios Europe I’s tanker and container vessels. The term of this agreement is for a period of six years. Management fees under this agreement will be reimbursed at cost at occurrence. Total management fees for the three month periods ended June 30, 2018 and 2017 amounted to $5,154 and $5,376, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $10,377 and $10,593, respectively, and are presented net under the caption “Direct vessel expenses”. Pursuant to a management agreement dated November 18, 2014, as further amended in October 2016, Navios Holdings provides commercial and technical management services to Navios Midstream’s vessels for a daily fixed fee of $9.5 per owned VLCC vessel, effective through December 31, 2018. Drydocking expenses under this agreement will be reimbursed at cost at occurrence for all vessels. The term of this agreement is for a period of five years. Total management fees for each of the three month periods ended June 30, 2018 and 2017 amounted to $5,187, and for the six month periods ended June 30, 2018 and 2017 amounted to $10,251 and $10,317, respectively, and are presented net under the caption “Direct vessel expenses”. Pursuant to a management agreement dated June 5, 2015, Navios Holdings provides commercial and technical management services to Navios Europe II’s dry bulk and container vessels. The term of this agreement is for a period of six years. Management fees under this agreement will be reimbursed at cost at occurrence. Total management fees for the three month period ended June 30, 2018 and 2017 amounted to $5,540 and $5,473, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $10,801 and $11,186, and are presented net under the caption “Direct vessel expenses”. Pursuant to a management agreement dated June 7, 2017, as amended in November 2017, in April 2018 and in June 2018, Navios Holdings, provides commercial and technical management services to Navios Containers’ vessels. The term of this agreement is for an initial period of five years with an automatic extension period of five years thereafter unless a notice for termination is received by either party. The fee for the ship management services provided by Navios Holdings is a daily fee of $6.1 per day for up to 5,500 TEU container vessels, $6.7 per day for above 5,500 TEU and up to 8,000 TEU container vessels and $7.4 per day for above 8,000 TEU and up to 10,000 TEU. Drydocking expenses under this agreement are reimbursed by Navios Containers at cost. Total management fees for the three month period ended June 30, 2018 and 2017 amounted to $12,449 and $915, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $24,088 and $915, and are presented net under the caption “Direct vessel expenses”. Navios Partners Guarantee: In November 2012 (as amended in March 2014), the Company entered into an agreement with Navios Partners (the “Navios Partners Guarantee”) to provide Navios Partners with guarantees against counterparty default on certain existing charters, which had previously been covered by the charter insurance for the same vessels, same periods and same amounts. The Navios Partners Guarantee provides for a maximum possible payout of $20,000 by the Company to Navios Partners. Premiums that are calculated on the same basis as the restructured charter insurance are included in the management fee that is paid by Navios Partners to Navios Holdings pursuant to the management agreement. Navios Partners has submitted one claim under this agreement to the Company. As of June 30, 2018, the fair value of the claim was estimated at $20,000 and was included in “Other long-term liabilities and deferred income” in the consolidated balance sheet. The final settlement of the amount due may take place at anytime but in no case later than December 31, 2019, in accordance with a letter of agreement effective as of December 29, 2017. During the year ended December 31, 2015, the Company initially recognized this claim as “Other expense” in the consolidated statement of comprehensive (loss)/income. General and administrative expenses incurred on behalf of affiliates/Administrative fee revenue from affiliates: Navios Holdings provides administrative services to Navios Partners. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. Navios Holdings extended the duration of its existing administrative services agreement with Navios Partners until December 31, 2022, pursuant to its existing terms. Total general and administrative fees for the three month periods ended June 30, 2018 and 2017 amounted to $2,330 and $1,919, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $4,580 and $3,865, respectively. Navios Holdings provides administrative services to Navios Acquisition. Navios Holdings extended the duration of its existing administrative services agreement with Navios Acquisition until May 2020 pursuant to its existing terms. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. Total general and administrative fees for the three month periods ended June 30, 2018 and 2017 amounted to $2,188 and $2,250, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $4,435 and $4,500, respectively. Navios Holdings provides administrative services to Navios Logistics. In April 2016, Navios Holdings extended the duration of its existing administrative services agreement with Navios Logistics until December 2021 pursuant to its existing terms. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. Total general and administrative fees for the three month periods ended June 30, 2018 and 2017 amounted to $250 and $250, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $500 and $500, respectively. The general and administrative fees have been eliminated upon consolidation. Pursuant to an administrative services agreement dated December 13, 2013, Navios Holdings provides administrative services to Navios Europe I’s tanker and container vessels. The term of this agreement is for a period of six years. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. Total general and administrative fees for the three month periods ended June 30, 2018 and 2017 amounted to $332 and $295, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $660 and $588, respectively. Pursuant to an administrative services agreement dated November 18, 2014, Navios Holdings provides administrative services to Navios Midstream. The term of this agreement is for a period of five years. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. Total general and administrative fees for the three month periods ended June 30, 2018 and 2017 amounted to $375 and $375, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $744 and $750, respectively. Pursuant to an administrative services agreement dated June 5, 2015, Navios Holdings provides administrative services to Navios Europe II’s dry bulk and container vessels. The term of this agreement is for a period of six years. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. Total general and administrative fees charged for the three month periods ended June 30, 2018 and 2017 amounted to $509 and $441, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $1,012 and $876, respectively. Pursuant to the administrative services agreement dated June 7, 2017, Navios Holdings provides administrative services to Navios Containers. Navios Holdings is reimbursed for reasonable costs and expenses incurred in connection with the provision of these services. The term of this agreement is for an initial period of five years with an automatic extension for a period of five years thereafter unless a notice of termination is received by either party. Total general and administrative fees attributable to this agreement for the three month period ended June 30, 2018 and 2017, amounted to $1,393 and $79, respectively, and for the six month periods ended June 30, 2018 and 2017 amounted to $2,700 and $79, respectively. Administrative services under these agreements include bookkeeping, audit and accounting services, legal and insurance services, administrative and clerical services, banking and financial services, advisory services, investor relations and other services. Balance due to/from affiliates (excluding Navios Europe I and Navios Europe II): Balance due to Navios Partners as of June 30, 2018 amounted to $8,275 (December 31, 2017: $8,315), and the Long-term payable to Navios Partners amounted to $24,593 (December 31, 2017: $14,891). Balance due from Navios Acquisition as of June 30, 2018 amounted to $280 (December 31, 2017: $2,800 due to Navios Acquisition), and the Long-term payable to Navios Acquisition amounted to $13,385 (December 31, 2017: $15,236). Balance due to Navios Midstream as of June 30, 2018 amounted to $2,870 (December 31, 2017: $990), and the Long-term payable to Navios Midstream amounted to $2,565 (December 31, 2017: $4,554). Balance due to Navios Containers as of June 30, 2018 amounted to $4,723 (December 31, 2017: $3,334), and the Long-term payable to Navios Containers amounted to $12,138 (December 31, 2017: $7,965). The balances mainly consisted of management fees, administrative fees, drydocking and other expenses prepaid by the affiliates according to our management agreements and other amounts payable to affiliates. Omnibus agreements: Navios Holdings has entered into an omnibus agreement with Navios Partners (the “Partners Omnibus Agreement”) in connection with the closing of Navios Partners’ IPO governing, among other things, when Navios Holdings and Navios Partners may compete against each other as well as rights of first offer on certain dry bulk carriers. Pursuant to the Partners Omnibus Agreement, Navios Partners generally agreed not to acquire or own Panamax or Capesize dry bulk carriers under time charters of three or more years without the consent of an independent committee of Navios Partners. In addition, Navios Holdings has agreed to offer to Navios Partners the opportunity to purchase vessels from Navios Holdings when such vessels are fixed under time charters of three or more years. Navios Holdings entered into an omnibus agreement with Navios Acquisition and Navios Partners (the “Acquisition Omnibus Agreement”) in connection with the closing of Navios Acquisition’s initial vessel acquisition, pursuant to which, among other things, Navios Holdings and Navios Partners agreed not to acquire, charter-in or own liquid shipment vessels, except for container vessels and vessels that are primarily employed in operations in South America, without the consent of an independent committee of Navios Acquisition. In addition, Navios Acquisition, under the Acquisition Omnibus Agreement, agreed to cause its subsidiaries not to acquire, own, operate or charter dry bulk carriers subject to specific exceptions. Under the Acquisition Omnibus Agreement, Navios Acquisition and its subsidiaries granted to Navios Holdings and Navios Partners, a right of first offer on any proposed sale, transfer or other disposition of any of its dry bulk carriers and related charters owned or acquired by Navios Acquisition. Likewise, Navios Holdings and Navios Partners agreed to grant a similar right of first offer to Navios Acquisition for any liquid shipment vessels it might own. These rights of first offer will not apply to a (i) sale, transfer or other disposition of vessels between any affiliated subsidiaries, or pursuant to the terms of any charter or other agreement with a counterparty, or (ii) merger with or into, or sale of substantially all of the assets to, an unaffiliated third party. Navios Holdings entered into an omnibus agreement with Navios Midstream, Navios Acquisition and Navios Partners in connection with the Navios Midstream IPO, pursuant to which Navios Acquisition, Navios Holdings, Navios Partners and their controlled affiliates generally have agreed not to acquire or own any VLCCs, crude oil tankers, refined petroleum product tankers, LPG tankers or chemical tankers under time charters of five or more years without the consent of Navios Midstream. The omnibus agreement contains significant exceptions that will allow Navios Acquisition, Navios Holdings, Navios Partners or any of their controlled affiliates to compete with Navios Midstream under specified circumstances. Navios Holdings entered into an omnibus agreement with Navios Containers, Navios Acquisition, Navios Partners and Navios Midstream, pursuant to which Navios Acquisition, Navios Holdings, Navios Partners, Navios Midstream and their controlled affiliates generally have granted a right of first refusal to Navios Containers over any container vessels to be sold or acquired in the future, subject to significant exceptions that would allow Navios Acquisition, Navios Holdings, Navios Partners and Navios Midstream or any of their controlled affiliates to compete with Navios Containers under specified circumstances. Midstream General Partner Option Agreement: Navios Holdings entered into an option agreement, with Navios Acquisition under which Navios Acquisition, which owns and controls Navios Maritime Midstream Partners GP LLC (“Midstream General Partner”), granted Navios Holdings the option to acquire a minimum of 25% of the outstanding membership interests in Midstream General Partner and the incentive distribution rights in Navios Midstream representing the right to receive an increasing percentage of the quarterly distributions when certain conditions are met. The option shall expire on November 18, 2024. The purchase price for the acquisition for all or part of the option interest shall be an amount equal to its fair market value. As of June 30, 2018, Navios Holdings had not exercised any part of that option. Sale of vessels and sale of rights to Navios Partners: Upon the sale of vessels to Navios Partners, Navios Holdings recognizes the gain immediately in earnings only to the extent of the interest in Navios Partners owned by third parties and defers recognition of the gain to the extent of its own ownership interest in Navios Partners (the “deferred gain”). Subsequently, the deferred gain is amortized to income over the remaining useful life of the vessel. The recognition of the deferred gain is accelerated in the event that (i) the vessel is subsequently sold or otherwise disposed of by Navios Partners or (ii) the Company’s ownership interest in Navios Partners is reduced. In connection with the public offerings of common units by Navios Partners, a pro rata portion of the deferred gain is released to income upon dilution of the Company’s ownership interest in Navios Partners. As of June 30, 2018 and December 31, 2017, the unamortized deferred gain for all vessels and rights sold totaled $9,009 and $9,955, respectively. For the three month periods ended June 30, 2018 and 2017, Navios Holdings recognized $473 and $473, respectively, of the deferred gain in “Equity in net (losses)/earnings of affiliated companies” and for the six months ended June 30, 2018 and 2017, Navios Holdings recognized $946 and $946, respectively, of the deferred gain in “Equity in net (losses)/earnings of affiliated companies”. Participation in offerings of affiliates: Refer to Note 13 for Navios Holdings’ participation in Navios Acquisition’s and Navios Partners’ offerings. On February 4, 2015, Navios Holdings entered into a share purchase agreement with Navios Partners pursuant to which Navios Holdings made an investment in Navios Partners by purchasing common units, and general partnership interests, in order to maintain its 20.0% partnership interest in Navios Partners following its equity offering in February 2015. In connection with this agreement, Navios Holdings entered into a registration rights agreement with Navios Partners pursuant to which Navios Partners provided Navios Holdings with certain rights relating to the registration of the common units. Navios Holdings has entered into additional share purchase agreements on December 30, 2016, March 3, 2017, March 23, 2017, March 31, 2017, January 11, 2018 and February 21, 2018 for the purchase up to a total of 1,717,318 general partnership interests. The Navios Acquisition Credit Facility: On September 19, 2016, Navios Holdings entered into a secured credit facility of up to $70,000 with Navios Acquisition. This credit facility was secured by all of the Company’s’ interest in Navios Acquisition and 78.5% of the Company’s interest in Navios Logistics, representing a majority of the shares outstanding of Navios Logistics. This facility was provided for an arrangement fee of $700. On November 3, 2017, Navios Holdings prepaid in full the outstanding amount under this credit facility with Navios Acquisition and all collateral was released. Balance due from Navios Europe I: Balance due from Navios Europe I as of June 30, 2018 amounted to $13,463 (December 31, 2017: $7,176) which included the net current receivable amount of $9,775 (December 31, 2017: $4,002) mainly consisting of management fees, accrued interest income earned under the Navios Revolving Loans I (as defined in Note 13) and other expenses and the non-current amount receivable of $3,688 (December 31, 2017: $3,174) related to the accrued interest income earned under the Navios Term Loans I (as defined in Note 13). The Navios Revolving Loans I and the Navios Term Loans I earn interest and an annual preferred return, respectively, at 1,270 basis points per annum, on a quarterly compounding basis and are repaid from free cash flow (as defined in the loan agreement) to the fullest extent possible at the end of each quarter. There are no covenant requirements or stated maturity dates. As of June 30, 2018, the outstanding amount relating to Navios Holdings’ portion under the Navios Revolving Loans I is $11,125 (December 31, 2017: $11,125), under the caption “Loan receivable from affiliate companies”. As of June 30, 2018, the amount undrawn under the Revolving Loans I was $0. On March 17, 2017, Navios Holdings transferred to Navios Partners its rights to the Navios Revolving Loans I and the Navios Term Loans I (including the respective accrued receivable interest), with a total carrying value of $21,384 for a total consideration of $33,473, comprised of $4,050 in cash and 13,076,923 newly issued common units of Navios Partners with a fair value of $29,423 (based on Navios Partners’ trading price as of the closing of the transaction). The Company evaluated this transaction in accordance with ASC 860, classifying it as a secured borrowing arrangement. At the date of this transaction, the Company recognized a long-term liability of $33,473, including a premium of $12,089 which will be amortized through “Interest expense and finance cost, net” over the term of the loans until 2023, and is included within “Long-term payable to affiliate companies”. Navios Holdings may be required from Navios Partners, under certain conditions, to repurchase the loans after the third anniversary of the date of the transaction based on the then-outstanding balance of the loans. See also Note 13. As of June 30, 2018, the long-term payable to Navios Partners amounted to $34,741, including the unamortized premium of $9,358. Balance due from Navios Europe II: Balance due from Navios Europe II as of June 30, 2018, amounted to $274 (December 31, 2017: $2,440), which included the net current payable amount of $4,439 (December 31, 2017: $1,310), mainly consisting of management fees and net of accrued interest income earned under the Navios Revolving Loans II (as defined in Note 13) and other expenses and the non-current amount receivable of $4,713 (December 31, 2017: $3,750) related to the accrued interest income earned under the Navios Term Loans II (as defined in Note 13). The Navios Revolving Loans II and the Navios Term Loans II earn interest and an annual preferred return, respectively, at 1,800 basis points per annum, on a quarterly compounding basis and are repaid from free cash flow (as defined in the loan agreement) to the fullest extent possible at the end of each quarter. There are no covenant requirements or stated maturity dates. As of June 30, 2018, the outstanding amount relating to Navios Holdings’ portion under the Navios Revolving Loans II was $12,063 (December 31, 2017: $12,063), under the caption “Loan receivable from affiliate companies.” In March 2017, the amount undrawn from the Navios Revolving Loans II increased by $14,000. As of June 30, 2018, the amount undrawn from the Navios Revolving Loans II was $15,003, of which Navios Holdings may be required to fund an amount ranging from $0 to $15,003.

Preferred and Common Stock	6 Months Ended
Preferred and Common Stock	Jun. 30, 2018
PREFERRED AND COMMON STOCK [Abstract]
PREFERRED AND COMMON STOCK	NOTE 9: PREFERRED AND COMMON STOCK Vested, Surrendered and Forfeited During the six month period ended June 30, 2018, 3,333 restricted stock units issued to the Company’s employees in 2016, vested. During the six month period ended June 30, 2017, 0 restricted stock units issued to the Company’s employees vested. During the six month period ended June 30, 2018, 4,500 restricted shares of common stock, were forfeited upon termination of employment. During the six month period ended June 30, 2017, 0 restricted shares of common stock, were forfeited upon termination of employment. Issuance of Cumulative Perpetual Preferred Stock The Company’s 2,000,000 American Depositary Shares, Series G and the 4,800,000 American Depositary Shares, Series H are recorded at fair market value on issuance. Each of the shares represents 1/100th of a share of the Series G and Series H, with a liquidation preference of $2,500 per share ($25.00 per American Depositary Share). Dividends are payable quarterly in arrears on the Series G at a rate of 8.75% per annum and on the Series H at a rate of 8.625% per annum of the stated liquidation preference. The Company has accounted for these shares as equity. Series G and Series H American Depositary Shares Exchange Offer On April 19, 2017, Navios Holdings announced the completion of the offer commenced on March 21, 2017, to exchange newly issued shares of the Company’s common stock for any and all outstanding American Depositary Shares, each representing 1/100th of a share of either Series G or Series H. 360 Series G and 406 Series H shares were validly tendered, representing an aggregate nominal value of approximately $1,843. Navios Holdings paid for tender offer expenses $571, and issued a total of 625,815 shares of common stock with a fair value of $1,127. Following the completion of the offer, the Company cancelled the undeclared preferred dividend of Series G and Series H of $270. In February 2016, Navios Holdings announced the suspension of payment of quarterly dividends on its preferred stock, including the Series G and Series H. Total undeclared preferred dividends as of June 30, 2018 were $24,807. On July 15, 2017, the Company reached six quarterly dividend payments in arrears relating to its Series G and Series H and as a result, the respective dividend rate increased by 0.25%. Issuances to Employees, Officers and Directors On December 11, 2017, pursuant to the stock plan approved by the Board of Directors, 4,320,975 common stock was granted to Navios Holdings employees, officers and directors and issued on January 16, 2018. Navios Holdings had outstanding as of June 30, 2018 and December 31, 2017, 124,706,280 and 120,386,472 shares of common stock, respectively, 14,191 Series G, 28,612 Series H and 3,499 shares of convertible preferred stock for both periods.

Other Expense, Net	6 Months Ended
Other Expense, Net	Jun. 30, 2018
OTHER INCOME [Abstract]
OTHER INCOME- OTHER EXPENSE	NOTE 10: OTHER EXPENSE, NET In February 2017, two self-propelled barges of Navios Logistics’ fleet, Formosa and San Lorenzo, were sold for a total of $1,109 to be paid in cash. Sale price will be received in installments in the form of lease payments through 2023. The barges may be transferred at the lessee’s option at no cost at the end of the lease period. Gain on sale of assets of $1,030 was included in the statement of comprehensive (loss)/income within the caption of “Other (expense)/income, net”. During the six month period ended June 30, 2018 and 2017, taxes other-than income taxes of Navios Logistics amounted to $3,271 and $4,427, respectively, and were included in the statements of comprehensive loss within the caption “Other (expense)/income, net”.

Segment Information

6 Months Ended

Jun. 30, 2018

SEGMENT INFORMATION [Abstract]

SEGMENT INFORMATION

NOTE 11: SEGMENT INFORMATION

The Company currently has two reportable segments from which it derives its revenues: Dry Bulk Vessel Operations and Logistics Business. The reportable segments reflect the internal organization of the Company and are strategic businesses that offer different products and services. The Dry Bulk Vessel Operations consists of the transportation and handling of bulk cargoes through the ownership, operation, and trading of vessels, freight and FFAs. The Logistics Business consists of operating ports and transfer station terminals, handling of vessels, barges and pushboats as well as upriver transport facilities in the Hidrovia region.

The Company measures segment performance based on net loss attributable to Navios Holdings common stockholders. Inter-segment sales and transfers are not significant and have been eliminated and are not included in the following tables. Summarized financial information concerning each of the Company’s reportable segments is as follows:


	Drybulk Vessel Operations									Logistics Business							Total
	Three Month Period Ended June 30, 2018				Three Month Period Ended June 30, 2017					Three Month Period Ended June 30, 2018			Three Month Period Ended June 30, 2017				Three Month Period Ended June 30, 2018				Three Month Period Ended June 30, 2017
Revenue	$	71,988			$		59,237			$		60,063	$		59,381		$		132,051		$	118,618
Administrative fee revenue from affiliates		7,126					5,360					—			—				7,126			5,360
Interest expense and finance cost, net		(23,256)					(21,270		)			(9,997)			(6,295	)			(33,253)			(27,565	)
Depreciation and amortization		(17,385)					(19,713		)			(7,152)			(6,378	)			(24,537)			(26,091	)
Equity in net (losses)/earnings of affiliated companies		(3,025)					(3,775)					—			—				(3,025)			(3,775	)
Net (loss)/income attributable to Navios Holdings common stockholders		(27,842)					(40,085		)			2,550			2,827				(25,292)			(37,258	)
Total assets		1,898,715					2,036,569					674,413			659,871				2,573,128			2,696,440
Goodwill		56,240					56,240					104,096			104,096				160,336			160,336
Capital expenditures		(1,527)					(63		)			(2,277)			(13,015	)			(3,804)			(13,078	)
Investments in affiliates		174,263					189,195					—			—				174,263			189,195
Cash and cash equivalents		48,051					67,309					70,403			62,899				118,454			130,208
Restricted cash		2,978					4,462					—			—				2,978			4,462
Long-term debt (including current and non-current portion)	$	1,137,924			$		1,205,392			$		528,696	$		440,878		$		1,666,620		$	1,646,270

	Drybulk Vessel Operations										Logistics Business							Total
	Six Month Period Ended June 30, 2018			Six Month Period Ended June 30, 2017							Six Month Period Ended June 30, 2018			Six Month Period Ended June 30, 2017				Six Month Period Ended June 30, 2018			Six Month Period Ended June 30, 2017
Revenue	$		136,602	$		110,782					$	112,331		$	103,182			$		248,933	$	213,964
Administrative fee revenue from affiliates			14,131			10,658						—			—					14,131		10,658
Interest expense and finance cost, net			(45,821)			(42,911		)				(19,242)			(12,076	)				(65,063)		(54,987	)
Depreciation and amortization			(36,223)			(39,246		)				(14,380)			(12,468	)				(50,603)		(51,714	)
Equity in net (losses)/earnings of affiliated companies			(9,489)			1,307						—			—					(9,489)		1,307
Net (loss)/income attributable to Navios Holdings common stockholders			(68,030)			(86,885		)				1,881			908					(66,149)		(85,977	)
Total assets			1,898,715			2,036,569						674,413			659,871					2,573,128		2,696,440
Goodwill			56,240			56,240						104,096			104,096					160,336		160,336
Capital expenditures			(12,447)			(99		)				(6,046)			(29,071	)				(18,493)		(29,170	)
Investments in affiliates			174,263			189,195						—			—					174,263		189,195
Cash and cash equivalents			48,051			67,309						70,403			62,899					118,454		130,208
Restricted cash			2,978			4,462						—			—					2,978		4,462
Long-term debt (including current and non-current portion)	$		1,137,924	$		1,205,392					$	528,696		$	440,878			$		1,666,620	$	1,646,270

Loss Per Common Share

6 Months Ended

Jun. 30, 2018

LOSS PER COMMON SHARE [Abstract]

LOSS PER COMMON SHARE

NOTE 12: LOSS PER COMMON SHARE

Loss per share is calculated by dividing net loss attributable to Navios Holdings common stockholders by the weighted average number of shares of Navios Holdings outstanding during the periods presented. Net (loss)/income attributable to Navios Holdings common stockholders is calculated by adding to (if a discount) or deducting from (if a premium) net (loss)/ income attributable to Navios Holdings common stockholders the difference between the fair value of the consideration paid upon redemption and the carrying value of the preferred stock, including the unamortized issuance costs of the preferred stock, and the amount of any undeclared dividend cancelled.

For the three month period ended June 30, 2018, 7,014,824 potential common shares and 3,499,000 potential shares of convertible preferred stock have an anti-dilutive effect (i.e. those that increase income per share or decrease loss per share) and are therefore excluded from the calculation of diluted net loss per share.

For the three month period ended June 30, 2017, 5,136,726 potential common shares and 5,625,370 potential shares of convertible preferred stock have an anti-dilutive effect (i.e. those that increase income per share or decrease loss per share) and are therefore excluded from the calculation of diluted net loss per share.

For the six month period ended June 30, 2018, 6,633,967 potential common shares and 3,499,000 potential shares of convertible preferred stock have an anti-dilutive effect (i.e. those that increase income per share or decrease loss per share) and are therefore excluded from the calculation of diluted net loss per share.

For the six month period ended June 30, 2017, 5,163,035 potential common shares and 5,625,370 potential shares of convertible preferred stock have an anti-dilutive effect (i.e. those that increase income per share or decrease loss per share) and are therefore excluded from the calculation of diluted net loss per share.


	Three Month Period Ended June 30, 2018		Three Month Period Ended June 30, 2017			Six Month Period Ended June 30, 2018		Six Month Period Ended June 30, 2017
Numerator:
Net loss attributable to Navios Holdings common stockholders	$	(25,292)	$	(37,258	)	$	(66,149)	$	(85,977	)
Less:
Declared and undeclared dividend on preferred stock and on unvested restricted shares		(2,564)		(2,660	)		(5,113)		(5,304	)
Plus:
Tender Offer – Redemption of preferred stock Series G and Series H including $270 of undeclared preferred dividend cancelled for both three and six months		—		504			—		504
Loss available to Navios Holdings common stockholders, basic and diluted	$	(27,856)	$	(39,414	)	$	(71,262)	$	(90,777	)
Denominator:
Denominator for basic and diluted net loss per share attributable to Navios Holdings common stockholders — weighted average shares		119,423,135		116,051,809			119,422,969		115,612,780
Basic and diluted net losses per share attributable to Navios Holdings common stockholders	$	(0.23)	$	(0.34	)	$	(0.60)	$	(0.79	)

Investments in affiliates and available-for-sale securities

6 Months Ended

Jun. 30, 2018

INVESTMENTS IN AFFILIATES AND INVESTMENTS IN AVAILABLE-FOR-SALE SECURITIES [Abstract]

INVESTMENTS IN AFFILIATES AND INVESTMENTS IN AVAILABLE-FOR-SALE SECURITIES

NOTE 13: INVESTMENT IN AFFILIATES AND AVAILABLE-FOR-SALE SECURITIES

Navios Partners

On August 7, 2007, Navios Holdings formed Navios Partners under the laws of Marshall Islands. Navios GP L.L.C. (the “General Partner”), a wholly owned subsidiary of Navios Holdings, was also formed on that date to act as the general partner of Navios Partners and received a 2.0% general partner interest.

On March 17, 2017, Navios Holdings transferred to Navios Partners its participation in the Navios Revolving Loans I and the Navios Term Loans I, both as defined herein, and relating to Navios Europe I. Concurrently, Navios Holdings acquired 266,876 common units in Navios Partners in order to maintain its 2.0% general partner interest for a cash consideration of $468. See also Note 8.

On March 20, 2017, Navios Partners announced that it has closed an offering of 47,795,000 common units. Navios Holdings acquired 975,408 common units in Navios Partners in order to maintain its 2.0% general partner interest for a cash consideration of $2,048.

During the first quarter of 2017, Navios Partners also issued 2,040,000 of common units to certain Navios Partners’ directors and/or officers, and 1,200,442 common units pursuant to Navios Partners’ Continuous Offering Program Sales Agreement. Concurrently, Navios Holdings acquired 66,131 common units in Navios Partners in order to maintain its 2.0% general partner interest for a cash consideration of $110.

During the first quarter of 2018, Navios Partners also issued 1,370,044 of common units to Navios Partners’ directors and/or officers. Concurrently, Navios Holdings acquired 27,960 common units in Navios Partners in order to maintain its 2.0% general partner interest for a cash consideration of $64.

On February 21, 2018, Navios Partners closed an offering of 18,422,000 common units which includes the sale of $5,000 of common units to Navios Holdings. In addition, Navios Holdings paid $714 to retain its 2.0% general partnership interest.

As of June 30, 2018, Navios Holdings held a total of 31,053,233 common units and 3,420,203 general partners units, representing a 20.2% interest in Navios Partners, including the 2.0% general partner interest, and the entire investment in Navios Partners is accounted for under the equity method.

As of June 30, 2018 and December 31, 2017, the unamortized difference between the carrying amount of the investment in Navios Partners and the amount of the Company’s underlying equity in net assets of Navios Partners was $84,080 and $98,608, respectively and is amortized through “Equity/(loss) in net earnings of affiliated companies” over the remaining life of Navios Partners’ tangible and intangible assets.

Total equity method income and amortization of deferred gain of $5,642 and $2,432 were recognized in “Equity/(loss) in net earnings of affiliated companies” for the three month periods ended June 30, 2018 and 2017, respectively and total equity method income of $9,448 and $3,339 was recognized for the six month periods ended June 30, 2018 and 2017, respectively.

As of June 30, 2018 and December 31, 2017, the carrying amount of the investment in Navios Partners was $80,364 and $66,773, respectively.

Dividends received during both the three and six month periods ended June 30, 2018 and 2017 were $690 and $0, respectively.

As of June 30, 2018, the market value of the investment in Navios Partners was $65,155.

Acropolis

Navios Holdings has a 50% interest in Acropolis, a brokerage firm for freight and shipping charters. Although Navios Holdings owns 50% of Acropolis’ stock, Navios Holdings agreed with the other shareholder that the earnings and amounts declared by way of dividends will be allocated 35% to the Company with the balance to the other shareholder. As of June 30, 2018 and December 31, 2017, the carrying amount of the investment was $105 and $228, respectively. During both the three and six month periods ended June 30, 2018 and 2017, the Company received dividends of $170 and $55, respectively.

Navios Acquisition

As of June 30, 2018 and December 31, 2017, the unamortized difference between the carrying amount of the investment in Navios Acquisition and the amount of the Company’s underlying equity in net assets of Navios Acquisition was $116,268 and $113,597, respectively and is amortized through “Equity/(loss) in net earnings of affiliated companies” over the remaining life of Navios Acquisition tangible and intangible assets.

Total equity method loss of $9,321 and $6,507 were recognized in “Equity/(loss) in net earnings of affiliated companies” for the three month periods ended June 30, 2018 and 2017, respectively, and total equity method loss of $20,192 and $2,575 was recognized for the six month periods ended June 30, 2018 and 2017, respectively.

As of June 30, 2018 and December 31, 2017, the carrying amount of the investment in Navios Acquisition was $76,480 and $99,590, respectively.

Dividends received for each of the three month periods ended June 30, 2018 and 2017 were $1,460 and $3,649, respectively, and for each of the six month periods ended June 30, 2018 and 2017 were $2,919 and $7,298, respectively.

As of June 30, 2018, the market value of the investment in Navios Acquisition was $44,516.

Navios Europe I

On December 18, 2013, Navios Europe I acquired ten vessels for aggregate consideration consisting of (i) cash (which was funded with the proceeds of senior loan facilities (the “Senior Loans I”) and loans aggregating to $10,000 from Navios Holdings, Navios Acquisition and Navios Partners (in each case, in proportion to their economic interests in Navios Europe I) (collectively, the “Navios Term Loans I”) and (ii) the assumption of a junior participating loan facility (the “Junior Loan I”). In addition to the Navios Term Loans I, Navios Holdings, Navios Acquisition and Navios Partners will also make available to Navios Europe I revolving loans up to $24,100 to fund working capital requirements (collectively, the “Navios Revolving Loans I”). The Navios Term Loans I will be repaid from the future sale of vessels owned by Navios Europe I.

On an ongoing basis, Navios Europe I is required to distribute cash flows (after payment of operating expenses and amounts due pursuant to the terms of the Senior Loans I) according to a defined waterfall calculation.

Navios Holdings evaluated its investment in Navios Europe I under ASC 810 and concluded that Navios Europe I is a VIE and that it is not the party most closely associated with Navios Europe I and, accordingly, is not the primary beneficiary of Navios Europe I.

Navios Holdings further evaluated its investment in the common stock of Navios Europe I under ASC 323 and concluded that it has the ability to exercise significant influence over the operating and financial policies of Navios Europe I and, therefore, its investment in Navios Europe I is accounted for under the equity method.

The initial amount provided for in Navios Europe I of $4,750 at the inception included the Company’s share of the basis difference between the fair value and the underlying book value of the assets of Navios Europe I, which amounted to $6,763. This difference is amortized through “Equity/(loss) in net earnings of affiliated companies” over the remaining life of Navios Europe I. As of June 30, 2018 and December 31, 2017, the unamortized basis difference of Navios Europe I was $3,696, and $4,034, respectively.

As of June 30, 2018 and December 31, 2017, the estimated maximum potential loss by Navios Holdings in Navios Europe I would have been $25,383 and $23,838, respectively, which represents the Company’s carrying value of its investment and balance of Navios Term Loans I of $8,438 and $7,924, respectively, including accrued interest, plus the Company’s balance of the Navios Revolving Loans I of $16,946 and $15,914, respectively, including accrued interest, and does not include the undrawn portion of the Navios Revolving Loans I.

Income/(Loss) of $0 and $(16) was recognized in “Equity/(loss) in net earnings of affiliated companies” for the three month periods ended June 30, 2018 and 2017, respectively, and income of $0 and $158 was recognized for the six month periods ended June 30, 2018 and 2017, respectively.

As of June 30, 2018 and December 31, 2017, the carrying amount of the investment in Navios Europe I and balance of Navios Term Loans I was $4,750 for both periods.

Navios Europe II

On February 18, 2015, Navios Holdings, Navios Acquisition and Navios Partners established Navios Europe II. From June 8, 2015 through December 31, 2015, Navios Europe II acquired 14 vessels for aggregate consideration consisting of: (i) cash (which was funded with the proceeds of a senior loan facility (the “Senior Loans II”) and loans aggregating to $14,000 from Navios Holdings, Navios Acquisition and Navios Partners (in each case, in proportion to their economic interests in Navios Europe II) (collectively, the “Navios Term Loans II”) and (ii) the assumption of a junior participating loan facility (the “Junior Loan II”). In addition to the Navios Term Loans II, Navios Holdings, Navios Acquisition and Navios Partners will also make available to Navios Europe II revolving loans up to $43,500 to fund working capital requirements (collectively, the “Navios Revolving Loans II”). The Navios Term Loans II will be repaid from the future sale of vessels owned by Navios Europe II. In March 2017, the amount of the Navios Revolving Loans II increased by $14,000.

On an ongoing basis, Navios Europe II is required to distribute cash flows (after payment of operating expenses, amounts due pursuant to the terms of the Senior Loans II) according to a defined waterfall calculation.

Navios Holdings evaluated its investment in Navios Europe II under ASC 810 and concluded that Navios Europe II is a VIE and that it is not the party most closely associated with Navios Europe II and, accordingly, is not the primary beneficiary of Navios Europe II.

Navios Holdings further evaluated its investment in the common stock of Navios Europe II under ASC 323 and concluded that it has the ability to exercise significant influence over the operating and financial policies of Navios Europe II and, therefore, its investment in Navios Europe II is accounted for under the equity method.

The initial amount provided for in Navios Europe II of $6,650, at the inception included the Company’s share of the basis difference between the fair value and the underlying book value of the assets of Navios Europe II, which amounted to $9,419. This difference is amortized through “Equity/(loss) in net earnings of affiliated companies” over the remaining life of Navios Europe II. As of June 30, 2018 and December 31, 2017, the unamortized basis difference of Navios Europe II was $6,540 and $7,011, respectively.

As of June 30, 2018 and December 31, 2017, the estimated maximum potential loss by Navios Holdings in Navios Europe II would have been $23,425 and $22,463, respectively, which represents the Company’s carrying value of its investment and balance of Navios Term Loans II of $11,363 and $10,400, respectively, plus the Company’s balance of the Navios Revolving Loans II of $12,063 and $12,063, respectively, including accrued interest, and does not include the undrawn portion of the Navios Revolving Loans II.

Income of $495 and $169 was recognized in “Equity/(loss) in net earnings of affiliated companies” for the three month period ended June 30, 2018 and 2017, respectively, and income of $963 and $200 was recognized for the six month periods ended June 30, 2018 and 2017, respectively.

As of June 30, 2018 and December 31, 2017, the carrying amount of the investment in Navios Europe II and balance of Navios Term Loans II was $6,650 for both periods.

Navios Containers

On June 8, 2017, Navios Containers closed a private placement of 10,057,645 shares of its common stock at a subscription price of $5.00 per share resulting in gross proceeds of $50,288. Navios Holdings invested $5,000, and Navios Partners invested $30,000 in Navios Containers. Each of Navios Holdings and Navios Partners also received warrants for the purchase of an additional 1.7% and 6.8%, respectively, of the equity of Navios Containers. The warrants can be exercised for shares of common stock of Navios Containers at the holder’s option at an exercise price of $5.00 per share. The warrants have a five year-term, which may be reduced to an earlier expiration date in the event of conversion of Navios Containers into a limited partnership.

On March 13, 2018, Navios Containers closed an additional private placement in which Navios Holdings invested $500.

As of June 30, 2018, and following Navios Containers’ private placements in August and November 2017 and March 2018, Navios Holdings owned 3.1% in Navios Containers and warrants for the purchase of an additional 1.7% of the equity of Navios Containers.

Navios Holdings evaluated its investment in the common stock of Navios Containers under ASC 323 and concluded that it has the ability to exercise significant influence over the operating and financial policies of Navios Containers and, therefore, its investment in Navios Containers is accounted for under the equity method.

Total equity method income of $142 and $88 were recognized in “Equity/(loss) in net earnings of affiliated companies” for the three month periods ended June 30, 2018 and 2017, respectively, and total equity method income of $244 and $88 was recognized for the six month periods ended June 30, 2018 and 2017, respectively.

As of June 30, 2018 and December 31, 2017, the carrying amount of the investment in Navios Containers was $5,905 and $5,161, respectively.

As of June 30, 2018, the market value of the investment in Navios Containers was $5,891.

Following the results of the significant tests performed by the Company, it was concluded that one affiliate met the significant threshold requiring summarized financial information to be presented.


	June 30, 2018		December 31, 2017
	Navios Acquisition		Navios Acquisition
Balance Sheet
Cash and cash equivalents, including restricted cash	$	52,064	$	86,458
Current assets		86,603		119,733
Non-current assets		1,381,631		1,453,048
Current liabilities		82,531		74,618
Long- term debt including current portion, net		1,023,391		1,065,369
Non-current liabilities		980,944		1,035,688

	Six Month June 30, 2018		Six Month June 30, 2017
	Navios Acquisition		Navios Acquisition
Income Statement
Revenue	$	87,629	$	122,940
Net loss	$	(46,534)	$	(58,802)

	Three Month June 30, 2018		Three Month June 30, 2017
	Navios Acquisition		Navios Acquisition
Income Statement
Revenue	$	41,479	$	58,458
Net loss	$	(22,068)	$	(64,417)

Available-for-sale securities (“AFS Securities”)

During the year ended December 31, 2017, the Company received shares of Pan Ocean Co. Ltd (“STX”) as partial compensation for the claims filed under the Korean court for all unpaid amounts in respect of the employment of the Company’s vessels. The shares were recorded at fair value upon their issuance and subsequent changes in market value are recognized within accumulated other comprehensive income/(loss) or since January 1, 2018 within consolidated statement of comprehensive (loss)/income.

The shares received from STX were accounted for under the guidance for AFS Securities. The Company has no other types of AFS securities. On January 1, 2018, the Company adopted ASU 2016-01, “Financial Instruments – Overall (Subtopic 825-10) – Recognition and Measurement of Financial Assets and Financial Liabilities”.

As of June 30, 2018 and December 31, 2017, the carrying amount of the available-for-sale securities related to STX was $211 and $238, respectively and was recorded under “Other long-term assets” in the consolidated balance sheet.

As of December 31, 2017, the unrealized holding losses related to these AFS Securities included in “Accumulated Other Comprehensive Loss” were $2. During the three and six month period ended June 30, 2018, the unrealized holding losses related to these AFS Securities included in “Other (expense)/income, net” was $25 and $27, respectively.

Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2018
SUBSEQUENT EVENTS [Abstract]
SUBSEQUENT EVENTS	NOTE 14: SUBSEQUENT EVENTS On July 3, 2018, Navios Holdings completed the sale to an unrelated party of the Navios Achilles, a 2001-built, 52,063 dwt vessel, for a total net sale price of $8,085 paid in cash (see note 3). In July 2018, Navios Achilles was released from the 2022 Notes and the gross sale proceeds received serve as collateral to the 2022 Notes, until the replacement with another vessel is completed. In July 2018, Navios Holdings agreed to sell the Navios Mars, a 2016-built Capesize vessel of 181,259 dwt, and the Navios Sphera, a 2016-built Panamax vessel of 84,872 dwt, to its affiliate, Navios Partners for a sale price of $79,000. Part of the sale proceeds will be used for the full prepayment of the outstanding bank debt of the two vessels, while the remaining amount of the sale proceeds will be cash on the Company’s balance sheet. The vessels are expected to be delivered to Navios Partners within the third quarter of 2018. In August 2018, Navios Holdings exercised the option to acquire Navios Primavera, a 2007-built, 53,464 dwt chartered-in vessel for an estimated purchase price of approximately $10,479 to be determined on the actual delivery date of the vessel, which is expected within the fourth quarter of 2018. Upon signing of the contract, Navios Holdings paid an amount of $1,063, while the remaining amount of the acquisition price will be paid upon delivery of the vessel. In August 2018, Navios Holdings agreed to charter-in, under one ten-year bareboat contract, from an unrelated third party one newbuilding bulk carrier of about 81,000 dwt, expected to be delivered in the second quarter of 2020. Navios Holdings has agreed to pay in total $5,820, representing a deposit for the option to acquire this vessel. The transaction is subject to definitive documentation. On August 16, 2018, there was a fire incident at the iron ore port terminal in Nueva Palmira, Uruguay. The fire damaged some equipment, but fortunately there were no human casualties. While it is too early to give a concrete estimate for time required to repair or replace equipment, Navios Logistics maintains property and loss of earnings insurance coverage for such type of events (subject to applicable deductibles and other customary limitations). On August 17, 2018, a new river and estuary tanker was delivered to Navios Logistics. Pursuant to this acquisition Navios Logistics entered into a credit agreement with the shipbuilder for an amount of $7,222 (€6,200) to finance the 50% of the purchase price of the tanker vessel. The credit agreement bears interest at a fixed rate of 675 basis points and is repayable in 24 equal monthly installments.

Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2018

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Basis of presentation

(a)

Change in accounting principles

Change in accounting principles:

ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash

The following table provides a reconciliation of cash and cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets:

	June 30, 2018		December 31, 2017
Reconciliation of cash, cash equivalents and restricted cash:
Current assets:
Cash and cash equivalents		118,454		127,632
Restricted cash		2,978		6,558
Total cash and cash equivalents and restricted cash	$	121,432	$	134,190

ASC 606, Revenue from Contracts with Customers (“ASC 606”)

Principles of Consolidation

(b)

Affiliates included in the financial statements accounted for under the equity method

Revenue Recognition

(c)	Revenue Recognition:

Demurrage income represents payments made by the charterer to the vessel owner when loading or discharging time exceeds the stipulated time in the voyage charter and is recognized as it is earned.

Expenses related to our revenue-generating contracts are recognized as incurred.

Recent Accounting Pronouncements

(d)	Recent Accounting Pronouncements:

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Reconciliation of cash, cash equivalents and restricted cash

	June 30, 2018		December 31, 2017
Reconciliation of cash, cash equivalents and restricted cash:
Current assets:
Cash and cash equivalents		118,454		127,632
Restricted cash		2,978		6,558
Total cash and cash equivalents and restricted cash	$	121,432	$	134,190

Vessels, Port Terminal and Other Fixed Assets, Net (Tables)

6 Months Ended

Jun. 30, 2018

Vessels, Port Terminals, Tanker Vessels, Barges, Push boats and other fixed assets


Vessels, Port Terminals and Other Fixed Assets, net	Cost		Accumulated Depreciation			Net Book Value
Balance December 31, 2017	$	2,553,047	$	(743,822	)	$	1,809,225
Additions		5,111		(47,818)			(42,707)
Impairment losses		(48,007)		35,926			(12,081)
Vessel disposals		(7,682)		—			(7,682)
Other disposals		(156)		137			(19)
Write offs		(34)		—			(34)
Vessel acquisition		10,255		(53)			10,202
Transfers from deposits for vessels, port terminal and other fixed assets, net		32,032		—			32,032
Balance June 30, 2018	$	2,544,566	$	(755,630)		$	1,788,936

Intangible Assets Other Than Goodwill (Tables)

6 Months Ended

Jun. 30, 2018

INTANGIBLE ASSETS OTHER THAN GOODWILL [Abstract]

Schedule of intangible assets


Intangible assets		June 30, 2018		December 31, 2017
Acquisition cost (*)		$	190,212	$	200,610
Accumulated amortization			(76,522)		(73,790	)
Write offs			—		(10,398	)
Total Intangible assets net book value		$	113,690	$	116,422

(*)	As of both June 30, 2018 and December 31, 2017, intangible assets associated with the favorable lease terms included an amount of $1,150 related to purchase options for the vessels.

Schedule of aggregate amortization expense


Period
Year One	$	5,581
Year Two		5,588
Year Three		5,581
Year Four		5,581
Year Five		5,581
Thereafter		84,628
Total	$	112,540

Borrowings (Tables)

6 Months Ended

Jun. 30, 2018

BORROWINGS [Abstract]

Loans' outstanding amounts


Facility	June 30, 2018		December 31, 2017
Secured credit facilities	$	205,694	$	219,856
2022 Senior Secured Notes		305,000		305,000
2022 Notes		650,000		650,000
2022 Logistics Senior Notes		375,000		375,000
Navios Logistics other long-term loans and notes payable		162,715		167,912
Total borrowings		1,698,409		1,717,768
Less: current portion, net		(31,142)		(33,885	)
Less: deferred finance costs, net		(31,789)		(35,280	)
Total long-term borrowings	$	1,635,478	$	1,648,603

Principal payments


Payment due by period
June 30, 2019	$	33,203
June 30, 2020		73,022
June 30, 2021		30,560
June 30, 2022		1,217,875
June 30, 2023		338,695
June 30, 2024 and thereafter		5,054
Total	$	1,698,409

Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

FAIR VALUE OF FINANCIAL INSTRUMENTS [abstract]

Fair value of financial instruments


	June 30, 2018				December 31, 2017
	Book Value		Fair Value		Book Value			Fair Value
Cash and cash equivalents	$	118,454	$	118,454	$	127,632		$	127,632
Restricted cash	$	2,978	$	2,978	$	6,558		$	6,558
Investments in available-for-sale-securities	$	211	$	211	$	238		$	238
Loan receivable from affiliate companies	$	31,588	$	31,588	$	30,112		$	30,112
Senior and ship mortgage notes, net	$	(1,304,608)	$	(1,148,252)	$	(1,301,999	)	$	(1,181,838	)
Long-term debt, including current portion	$	(362,012)	$	(368,410)	$	(380,489	)	$	(389,332	)
Long term payable to affiliate companies	$	(87,422)	$	(87,422)	$	(76,872	)	$	(76,872	)

Fair value measurements on a recurring basis

	Fair Value Measurements as of June 30, 2018
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Investments in available-for-sale-securities	$	211	$	211	$	—	$	—
Total	$	211	$	211	$	—	$	—


	Fair Value Measurements as of December 31, 2017
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Investments in available-for-sale-securities	$	238	$	238	$	—	$	—
Total	$	238	$	238	$	—	$	—

Fair value measurements on a nonrecurring basis

	Fair Value Measurements as of June 30, 2018
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Vessels, port terminals and other fixed assets, net (for Navios Achilles)	$	8,082	$	8,082	$	—	$	—
Total	$	8,082	$	8,082	$	—	$	—

	Fair Value Measurements as of December 31, 2017
	Total		Quoted Prices in Active Markets for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)
Vessels, port terminals and other fixed assets, net	$	16,500	$	—	$	16,500	$	—
Total	$	16,500	$	—	$	16,500	$	—

Fair value measurements on a nonrecurring basis


		Fair Value Measurements at June 30, 2018
		Total				(Level I)				(Level II)				(Level III)
Cash and cash equivalents		$	118,454			$	118,454			$	—			$	—
Restricted cash		$	2,978			$	2,978			$	—			$	—
Loan receivable from affiliate companies(2)		$	31,588			$	—			$	31,588			$	—
Senior and ship mortgage notes		$	(1,148,252)			$	(1,148,252)			$	—			$	—
Long-term debt, including current portion(1)		$	(368,410)			$	—			$	(368,410)			$	—
Long-term payable to affiliate companies(2)		$	(87,422)			$	—			$	(87,422)			$	—
		Fair Value Measurements at December 31, 2017
		Total				(Level I)				(Level II)				(Level III)
Cash and cash equivalents		$		127,632		$		127,632		$		—		$	—
Restricted cash		$		6,558		$		6,558		$		—		$	—
Loan receivable from affiliate companies(2)		$		30,112		$		—		$		30,112		$	—
Senior and ship mortgage notes		$		(1,181,838	)	$		(1,181,838	)	$		—		$	—
Long-term debt, including current portion(1)		$		(389,332	)	$		—		$		(389,332	)	$	—
Long-term payable to affiliate companies(2)		$		(76,872	)	$		—		$		(76,872	)	$	—
(1)	The fair value of the Company’s long-term debt is estimated based on currently available debt with similar contract terms, interest rates and remaining maturities, published quoted market prices as well as taking into account the Company’s creditworthiness.
(2)	The fair value of the Company’s loan receivable from/ payable to affiliate companies and long-term receivable from/payable to affiliate companies is estimated based on currently available debt with similar contract terms, interest rate and remaining maturities as well as taking into account the counterparty’s creditworthiness.

Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

COMMITMENTS AND CONTINGENCIES [Abstract]

Future minimum contractual obligations


	Charter-in Vessels, barges and pushboats in operation		Charter-in vessels to be delivered
June 30, 2019	$	119,315	$	4,306
June 30, 2020		104,243		13,693
June 30, 2021		78,832		17,156
June 30, 2022		54,222		16,944
June 30, 2023		39,072		16,706
June 30, 2024 and thereafter		59,035		53,440
Total	$	454,719	$	122,245

Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

SEGMENT INFORMATION [Abstract]

Segment summarized financial information


	Drybulk Vessel Operations									Logistics Business							Total
	Three Month Period Ended June 30, 2018				Three Month Period Ended June 30, 2017					Three Month Period Ended June 30, 2018			Three Month Period Ended June 30, 2017				Three Month Period Ended June 30, 2018				Three Month Period Ended June 30, 2017
Revenue	$	71,988			$		59,237			$		60,063	$		59,381		$		132,051		$	118,618
Administrative fee revenue from affiliates		7,126					5,360					—			—				7,126			5,360
Interest expense and finance cost, net		(23,256)					(21,270		)			(9,997)			(6,295	)			(33,253)			(27,565	)
Depreciation and amortization		(17,385)					(19,713		)			(7,152)			(6,378	)			(24,537)			(26,091	)
Equity in net (losses)/earnings of affiliated companies		(3,025)					(3,775)					—			—				(3,025)			(3,775	)
Net (loss)/income attributable to Navios Holdings common stockholders		(27,842)					(40,085		)			2,550			2,827				(25,292)			(37,258	)
Total assets		1,898,715					2,036,569					674,413			659,871				2,573,128			2,696,440
Goodwill		56,240					56,240					104,096			104,096				160,336			160,336
Capital expenditures		(1,527)					(63		)			(2,277)			(13,015	)			(3,804)			(13,078	)
Investments in affiliates		174,263					189,195					—			—				174,263			189,195
Cash and cash equivalents		48,051					67,309					70,403			62,899				118,454			130,208
Restricted cash		2,978					4,462					—			—				2,978			4,462
Long-term debt (including current and non-current portion)	$	1,137,924			$		1,205,392			$		528,696	$		440,878		$		1,666,620		$	1,646,270

	Drybulk Vessel Operations										Logistics Business							Total
	Six Month Period Ended June 30, 2018			Six Month Period Ended June 30, 2017							Six Month Period Ended June 30, 2018			Six Month Period Ended June 30, 2017				Six Month Period Ended June 30, 2018			Six Month Period Ended June 30, 2017
Revenue	$		136,602	$		110,782					$	112,331		$	103,182			$		248,933	$	213,964
Administrative fee revenue from affiliates			14,131			10,658						—			—					14,131		10,658
Interest expense and finance cost, net			(45,821)			(42,911		)				(19,242)			(12,076	)				(65,063)		(54,987	)
Depreciation and amortization			(36,223)			(39,246		)				(14,380)			(12,468	)				(50,603)		(51,714	)
Equity in net (losses)/earnings of affiliated companies			(9,489)			1,307						—			—					(9,489)		1,307
Net (loss)/income attributable to Navios Holdings common stockholders			(68,030)			(86,885		)				1,881			908					(66,149)		(85,977	)
Total assets			1,898,715			2,036,569						674,413			659,871					2,573,128		2,696,440
Goodwill			56,240			56,240						104,096			104,096					160,336		160,336
Capital expenditures			(12,447)			(99		)				(6,046)			(29,071	)				(18,493)		(29,170	)
Investments in affiliates			174,263			189,195						—			—					174,263		189,195
Cash and cash equivalents			48,051			67,309						70,403			62,899					118,454		130,208
Restricted cash			2,978			4,462						—			—					2,978		4,462
Long-term debt (including current and non-current portion)	$		1,137,924	$		1,205,392					$	528,696		$	440,878			$		1,666,620	$	1,646,270

Loss Per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

LOSS PER COMMON SHARE [Abstract]

Loss per common share


	Three Month Period Ended June 30, 2018		Three Month Period Ended June 30, 2017			Six Month Period Ended June 30, 2018		Six Month Period Ended June 30, 2017
Numerator:
Net loss attributable to Navios Holdings common stockholders	$	(25,292)	$	(37,258	)	$	(66,149)	$	(85,977	)
Less:
Declared and undeclared dividend on preferred stock and on unvested restricted shares		(2,564)		(2,660	)		(5,113)		(5,304	)
Plus:
Tender Offer – Redemption of preferred stock Series G and Series H including $270 of undeclared preferred dividend cancelled for both three and six months		—		504			—		504
Loss available to Navios Holdings common stockholders, basic and diluted	$	(27,856)	$	(39,414	)	$	(71,262)	$	(90,777	)
Denominator:
Denominator for basic and diluted net loss per share attributable to Navios Holdings common stockholders — weighted average shares		119,423,135		116,051,809			119,422,969		115,612,780
Basic and diluted net losses per share attributable to Navios Holdings common stockholders	$	(0.23)	$	(0.34	)	$	(0.60)	$	(0.79	)

Investment in affiliates and available-for-sale securities (Tables)

6 Months Ended

Jun. 30, 2018

INVESTMENTS IN AFFILIATES AND INVESTMENTS IN AVAILABLE-FOR-SALE SECURITIES [Abstract]

Financial information of affiliate companies, balance sheet


	June 30, 2018		December 31, 2017
	Navios Acquisition		Navios Acquisition
Balance Sheet
Cash and cash equivalents, including restricted cash	$	52,064	$	86,458
Current assets		86,603		119,733
Non-current assets		1,381,631		1,453,048
Current liabilities		82,531		74,618
Long- term debt including current portion, net		1,023,391		1,065,369
Non-current liabilities		980,944		1,035,688

Financial information of affiliate companies, income statement

	Six Month June 30, 2018		Six Month June 30, 2017
	Navios Acquisition		Navios Acquisition
Income Statement
Revenue	$	87,629	$	122,940
Net loss	$	(46,534)	$	(58,802)

	Three Month June 30, 2018		Three Month June 30, 2017
	Navios Acquisition		Navios Acquisition
Income Statement
Revenue	$	41,479	$	58,458
Net loss	$	(22,068)	$	(64,417)

Description of Business (Details) - USD ($) $ in Thousands	5 Months Ended	6 Months Ended
Description of Business (Details) - USD ($) $ in Thousands	Jun. 08, 2017	Jun. 30, 2018
Subsidiary or Equity Method Investee [Line Items]
Trading Symbol		NM
Navios Logistics
Subsidiary or Equity Method Investee [Line Items]
Ownership percentage of Navios Holdings		63.80%
Navios Partners
Subsidiary or Equity Method Investee [Line Items]
Ownership percentage of Navios Holdings		20.20%
General partner interest of Navios Holdings		2.00%
Trading Symbol		NMM
Navios Acquisition
Subsidiary or Equity Method Investee [Line Items]
Ownership percentage of Navios Holdings		48.30%
Percentage of voting stock of Navios Holdings in Navios Acquisition		45.00%
Trading Symbol		NNA
Share repurchase program, Authorized amount		$ 25,000
Number of stocks repurchased		6,922,600
Navios Midstream
Subsidiary or Equity Method Investee [Line Items]
Ownership percentage of Navios Holdings		0.00%
Trading Symbol		NAP
Navios Containers
Subsidiary or Equity Method Investee [Line Items]
Ownership percentage of Navios Holdings		3.10%
Trading Symbol		NMCI
Navios Containers \| Private placement
Subsidiary or Equity Method Investee [Line Items]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	$ 5,000
Navios Containers \| Warrants
Subsidiary or Equity Method Investee [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		1.70%

Description of Business - Related Parties - Navios Europe I and Navios Europe II (Details)	6 Months Ended
	Jun. 30, 2018	Feb. 18, 2015	Oct. 09, 2013
Navios Europe I
Related Party Transaction [Line Items]
Percentage of ownership	47.50%
Navios Europe I \| Navios Holdings
Related Party Transaction [Line Items]
Percentage of ownership			47.50%
Percentage of voting stock held	50.00%
Navios Europe I \| Navios Acquisition
Related Party Transaction [Line Items]
Percentage of ownership			47.50%
Percentage of voting stock held	50.00%
Navios Europe I \| Navios Partners
Related Party Transaction [Line Items]
Percentage of ownership			5.00%
Percentage of voting stock held	0.00%
Navios Europe II
Related Party Transaction [Line Items]
Percentage of ownership	47.50%
Navios Europe II \| Navios Holdings
Related Party Transaction [Line Items]
Percentage of ownership		47.50%
Percentage of voting stock held	50.00%
Navios Europe II \| Navios Acquisition
Related Party Transaction [Line Items]
Percentage of ownership		47.50%
Percentage of voting stock held	50.00%
Navios Europe II \| Navios Partners
Related Party Transaction [Line Items]
Percentage of ownership		5.00%
Percentage of voting stock held	0.00%
Dry bulkers vessels \| Navios Europe II
Related Party Transaction [Line Items]
Number of vessels	7
Container vessels \| Navios Europe I
Related Party Transaction [Line Items]
Number of vessels	5
Container vessels \| Navios Europe II
Related Party Transaction [Line Items]
Number of vessels	7
Tanker vessels \| Navios Europe I
Related Party Transaction [Line Items]
Number of vessels	5

Summary of Significant Account Policies, Restricted Cash (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
RESTRICTED CASH AND CASH EQUIVALENTS [ABSTRACT]
Cash and cash equivalents	$ 118,454	$ 127,632	$ 130,208
Restricted cash	2,978	6,558	4,462
Total cash and cash equivalents and restricted cash	$ 121,432	$ 134,190	$ 134,670	$ 141,377

Summary of Significant Accounting Policies - Basis Of Presentation, Subsidiaries, Affiliates and Restricted Cash (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Restricted Cash And Cash Equivalents Items [Line Items]
Restricted cash	$ 2,978	$ 4,462	$ 6,558
Effect of retrospective application
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase/ (decrease) in net cash provided by operating activities		(2,899)
Increase/ (decrease) in net cash provided financing activities		1,976
Increase/(decrease) in cash and cash equivalents		$ (923)
Navios Logistics
Percentage of Navios Holdings ownership
Ownership percentage of Navios Holdings	63.80%
Navios Partners and its subsidiaries
Percentage of Navios Holdings ownership
Economic interest	20.20%
General partner interest of Navios Holdings	2.00%
Navios Acquisition and its subsidiaries
Percentage of Navios Holdings ownership
Economic interest	48.30%
Acropolis Chartering and Shipping Inc. ("Acropolis")
Percentage of Navios Holdings ownership
Ownership percentage of Navios Holdings	50.00%
Economic interest	35.00%
Navios Europe I and its subsidiaries
Percentage of Navios Holdings ownership
Economic interest	47.50%
Navios Europe II and its subsidiaries
Percentage of Navios Holdings ownership
Economic interest	47.50%
Navios Containers and its subsidiaries
Percentage of Navios Holdings ownership
Economic interest	3.10%

Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	$ 132,051	$ 118,618	$ 248,933	$ 213,964
Logistics business \| Paraguay \| Sale of Products
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	9,265	8,810	17,690	16,822
Contracts of Affreightment ("COA")/ Voyage Contracts \| Dry Bulk Vessel Operations
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	5,998	9,629	14,617	19,288
Contracts of Affreightment ("COA")/ Voyage Contracts \| Logistics business
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	10,623	13,145	19,552	23,451
Time and bareboat chartering \| Dry Bulk Vessel Operations
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	66,427	46,430	122,161	83,725
Time and bareboat chartering \| Logistics business
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	17,988	23,443	36,534	41,350
Pooling arrangements \| Dry Bulk Vessel Operations
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	0	2,792	0	7,133
Profit Sharing \| Dry Bulk Vessel Operations
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	(339)	300	(205)	445
Port Terminal Operations \| Logistics business
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	20,201	11,895	34,591	17,609
Storage Fees (dry port) \| Logistics business
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	74	329	341	699
Dry Port Terminal Operations \| Logistics business
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	923	1,198	1,530	1,854
Liquid Port Terminal Operations \| Logistics business \| Paraguay
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Revenue	$ 860	$ 548	$ 1,858	$ 1,283

Vessels, Port Terminal and Other Fixed Assets, Net (Table) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Property Plant And Equipment [Line Items]
Balance	$ 1,809,225
Additions	(42,707)
Impairment losses	(12,081)
Vessel disposals	(7,682)
Other disposals	(19)
Write offs	(34)
Vessel acquisition	10,202
Revaluation of vessels due to termination of capital lease obligation	0	$ 5,243
Transfers from deposits for vessels, port terminals and other fixed assets, net	32,032	$ 137,357
Balance	1,788,936
Cost
Property Plant And Equipment [Line Items]
Balance	2,553,047
Additions	5,111
Impairment losses	(48,007)
Vessel disposals	(7,682)
Other disposals	(156)
Write offs	(34)
Vessel acquisition	10,255
Transfers from deposits for vessels, port terminals and other fixed assets, net	32,032
Balance	2,544,566
Accumulated Depreciation
Property Plant And Equipment [Line Items]
Balance	(743,822)
Additions	(47,818)
Impairment losses	35,926
Other disposals	137
Vessel acquisition	(53)
Balance	(755,630)
Net Book Value
Property Plant And Equipment [Line Items]
Balance	1,809,225
Additions	(42,707)
Impairment losses	(12,081)
Vessel disposals	(7,682)
Other disposals	(19)
Write offs	(34)
Vessel acquisition	10,202
Transfers from deposits for vessels, port terminals and other fixed assets, net	32,032
Balance	$ 1,788,936

Vessels, Port Terminal and Other Fixed Assets, Net - Navios Logistics (Details) € in Thousands, $ in Thousands	6 Months Ended			12 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2018 EUR (€)	Feb. 28, 2017 USD ($)
Property Plant And Equipment [Line Items]
Payments for construction in process	$ 3,437		$ 25,972
Repayments of obligations under capital leases	0		$ 12,374
Vessels, port terminals and other fixed assets, net	1,788,936			$ 1,809,225
Prepaid expenses and other current assets	30,082			27,383
Other long term assets	44,356			37,801
Three new pushboats, price per each \| Navios Logistics
Property Plant And Equipment [Line Items]
Payments for construction in process				30,708
Capitalized interest costs	$ 3,874
River and estuary tanker \| Shipbuilder
Property Plant And Equipment [Line Items]
Date of delivery	Aug. 17, 2018	Aug. 17, 2018
River and estuary tanker \| Navios Logistics
Property Plant And Equipment [Line Items]
Total purchase price	$ 14,443				€ 12,400
Payments for construction in process	8,255			6,141
Capitalized interest costs	466			205
River and estuary tanker \| Navios Logistics \| Maximum
Property Plant And Equipment [Line Items]
Amount financed by third party	$ 7,222	€ 6,200
River and estuary tanker \| Navios Logistics \| Shipbuilder
Property Plant And Equipment [Line Items]
Percentage financed by third party	50.00%	50.00%
Formosa and San Lorenzo \| Navios Logistics
Property Plant And Equipment [Line Items]
Vessel sale price						$ 1,109
Covers for Dry Barges \| Navios Logistics
Property Plant And Equipment [Line Items]
Total purchase price				1,115
Cash consideration	$ 1,115
Payments for construction in process				$ 629

Vessels, Port Terminal and Other Fixed Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Jul. 31, 2018	Mar. 31, 2018
Property Plant And Equipment [Line Items]
Cash consideration for purchase of vessel			$ 10,255	$ 0
Impairment loss			(34)
Vessel impairment loss	$ 6,595	$ 5,141	$ 13,310	$ 14,239
One vessel held and used
Property Plant And Equipment [Line Items]
Impairment loss					$ 32,930
Navios Achilles
Property Plant And Equipment [Line Items]
Disposal date			Jul. 31, 2018
Year Built			2001
Vessel capacity in DWT			52,063 dwt
Vessel impairment loss			$ 6,595
Vessel sale price						$ 8,085
Capitalized Cost, Impairment Loss			$ 748
Navios Herakles
Property Plant And Equipment [Line Items]
Disposal date			Mar. 31, 2018
Year Built			2001
Vessel capacity in DWT			52,061 dwt
Vessel impairment loss			$ 6,715
Vessel sale price							$ 7,682
Capitalized Cost, Impairment Loss			$ 481
Navios Equator Prosper
Property Plant And Equipment [Line Items]
Year Built			2000
Date of delivery			Feb. 28, 2018
Vessel capacity in DWT			171,191 dwt
Cash consideration for purchase of vessel			$ 10,255

Intangible Assets Other Than Goodwill (Table) (Details) - USD ($)
$ in Thousands

Jun. 30, 2018

Dec. 31, 2017

Acquired Finite Lived Intangible Assets [Line Items]

Acquisition cost

$ 190,212

^[1]

$ 200,610

Accumulated amortization

(76,522)

(73,790)

Write offs

(10,398)

Total Intangible assets net book value

$ 113,690

$ 116,422

[1]	As of both June 30, 2018 and December 31, 2017, intangible assets associated with the favorable lease terms included an amount of $1,150 related to purchase options for the vessels.

Intangible Assets Other Than Goodwill - Amortization Schedule (Table) (Details) $ in Thousands	Jun. 30, 2018 USD ($)
Acquired Finite Lived Intangible Assets [Line Items]
Year One	$ 5,581
Year Two	5,588
Year Three	5,581
Year Four	5,581
Year Five	5,581
Thereafter	84,628
Total	$ 112,540

Intangible Assets Other Than Goodwill - Additional Details (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Intangible asset	$ 113,690		$ 113,690		$ 116,422
Amortization of intangible assets	1,411	$ 1,725	2,734	$ 3,445
Favorable lease terms
Intangible asset	$ 1,150		$ 1,150		$ 1,150

Borrowings (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Secured credit facilities	$ 205,694	$ 219,856
Total borrowings	1,698,409	1,717,768
Less: current portion, net	(31,142)	(33,885)
Less: deferred finance costs, net	(31,789)	(35,280)
Total long-term borrowings	1,635,478	1,648,603
Navios Holdings borrowings
Debt Instrument [Line Items]
Total borrowings	1,174,856	1,240,647
2022 Senior Secured Notes
Debt Instrument [Line Items]
Senior Notes	305,000	305,000
2022 Notes
Debt Instrument [Line Items]
Senior Notes	650,000	650,000
2022 Logistics Senior Notes
Debt Instrument [Line Items]
Senior Notes	375,000	375,000
Navios Logistics other long-term loans and notes payable
Debt Instrument [Line Items]
Other long-term loans	$ 162,715	$ 167,912

Borrowings - Principal Payments (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
BORROWINGS [Abstract]
June 30, 2019	$ 33,203
June 30, 2020	73,022
June 30, 2021	30,560
June 30, 2022	1,217,875
June 30, 2023	338,695
June 30, 2024 and thereafter	5,054
Total	$ 1,698,409	$ 1,717,768

Borrowings - Senior and Ship Mortgage Notes Navios Holdings and Navios Logistics (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		10 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Oct. 31, 2016	Dec. 31, 2017
Debt Instrument [Line Items]
Amount used for repayment of debt			$ 19,342
Gain/ (Loss) on bond and debt extinguishment	$ 0	$ 1,715	0	$ 1,715
Navios Logistics
Debt Instrument [Line Items]
Face amount at issuance date	162,715		$ 162,715
Navios Logistics \| Minimum
Debt Instrument [Line Items]
Maturity date			Sep. 30, 2021
Navios Logistics \| Maximum
Debt Instrument [Line Items]
Maturity date			Nov. 30, 2024
2022 Senior Secured Notes
Debt Instrument [Line Items]
Face amount at issuance date	$ 305,000		$ 305,000
Issuance date/Date of agreement			Nov. 21, 2017
Debt instrument, issuance price percentage			97.00%
Fixed interest rate	11.25%		11.25%
2022 Senior Secured Notes \| On or after November 21, 2017
Debt Instrument [Line Items]
Redemption price percentage			108.438%
Senior Notes due 2019
Debt Instrument [Line Items]
Face amount at issuance date	$ 350,000		$ 350,000
Issuance date/Date of agreement			Jan. 28, 2011
Fixed interest rate	8.125%		8.125%
Repurchase of notes					$ 58,906
Repurchase of senior notes - cash consideration					30,671
Gain/ (Loss) on bond and debt extinguishment					$ 27,670
2022 Notes
Debt Instrument [Line Items]
Face amount at issuance date	$ 650,000		$ 650,000
Issuance date/Date of agreement			Nov. 29, 2013
Amount oustanding	$ 650,000		$ 650,000			$ 650,000
Fixed interest rate	7.375%		7.375%
2022 Notes \| On or after January 15, 2017
Debt Instrument [Line Items]
Redemption price percentage			105.531%
2022 Notes \| Upon occurrence of certain change of control events
Debt Instrument [Line Items]
Redemption price percentage			101.00%
2022 Logistics Senior Notes
Debt Instrument [Line Items]
Amount oustanding	$ 375,000		$ 375,000			$ 375,000
2022 Logistics Senior Notes \| Navios Logistics
Debt Instrument [Line Items]
Face amount at issuance date	$ 375,000		$ 375,000
Issuance date/Date of agreement			Apr. 22, 2014
Fixed interest rate	7.25%		7.25%
Maturity date			May 01, 2022
Maximum dividend percentage			6.00%
2022 Logistics Senior Notes \| Navios Logistics \| On or after May 1, 2017
Debt Instrument [Line Items]
Redemption price percentage			105.438%
2022 Logistics Senior Notes \| Navios Logistics \| Upon occurrence of certain change of control events
Debt Instrument [Line Items]
Redemption price percentage			101.00%

Borrowings - Credit Facilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		10 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Nov. 03, 2017	Dec. 31, 2017
Debt Instrument [Line Items]
Amount outstanding	$ 205,694		$ 205,694			$ 219,856
Gain/ (Loss) on bond and debt extinguishment	0	$ 1,715	0	$ 1,715
Repayment of debt			$ 19,342
Navios Logistics
Debt Instrument [Line Items]
Variable rate basis			LIBOR
Face amount at issuance date	162,715		$ 162,715
Navios Logistics \| Minimum
Debt Instrument [Line Items]
Loan margin percentage			3.15%
Maturity date			Sep. 30, 2021
Navios Logistics \| Maximum
Debt Instrument [Line Items]
Loan margin percentage			3.25%
Maturity date			Nov. 30, 2024
Line of Credit
Debt Instrument [Line Items]
Variable rate basis			LIBOR
Line of Credit \| Minimum
Debt Instrument [Line Items]
Loan margin percentage			2.55%
Maturity date			Mar. 31, 2020
Line of Credit \| Maximum
Debt Instrument [Line Items]
Loan margin percentage			3.60%
Maturity date			Nov. 30, 2022
Navios Acquisition Loan
Debt Instrument [Line Items]
Line of credit facility issuance date			Sep. 19, 2016
Maximum borrowing capacity	$ 70,000		$ 70,000
Total amount of prepayment to affiliate company					$ (55,132)
Prepayment amount of loan to affiliate company, net					50,000
Accrued interest					$ 5,132

Borrowings - Additional Information (Details)	Jun. 30, 2018	Dec. 31, 2017
Three months ended
Debt Instrument [Line Items]
Annual weighted average interest rate	7.57%	6.91%
Six months ended
Debt Instrument [Line Items]
Annual weighted average interest rate	7.50%	6.89%

Borrowings - Repayment Terms and Covenants (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Navios Holdings borrowings
Debt Instrument [Line Items]
Repayment terms	The credit facilities contain a number of restrictive covenants that limit Navios Holdings and/or certain of its subsidiaries from, among other things: incurring or guaranteeing indebtedness; entering into affiliate transactions; charging, pledging or encumbering the vessels securing such facilities; changing the flag, class, management or ownership of certain Navios Holdings’ vessels; changing the commercial and technical management of certain Navios Holdings’ vessels; selling or changing the ownership of certain Navios Holdings’ vessels; and subordinating the obligations under the credit facilities to any general and administrative costs relating to the vessels. The credit facilities also require the vessels to comply with the ISM Code and ISPS Code and to maintain valid safety management certificates and documents of compliance at all times. Additionally, the credit facilities require compliance with the covenants contained in the indentures governing the 2022 Senior Secured Notes (as defined below) and the 2022 Notes (as defined below). Among other events, it will be an event of default under the credit facilities if the financial covenants are not complied with or if Angeliki Frangou and her affiliates, together, own less than 20% of the outstanding share capital of Navios Holdings.
2022 Notes \| Navios Holdings borrowings
Debt Instrument [Line Items]
Repayment terms	The guarantees of the Company’s subsidiaries that own mortgaged vessels are senior secured guarantees and the guarantees of the Company’s subsidiaries that do not own mortgaged vessels are senior unsecured guarantees. In addition, the 2022 Co-Issuers have the option to redeem the 2022 Notes in whole or in part, at any time on or after January 15, 2017, at a fixed price of 105.531%, which price declines ratably until it reaches par in 2020.
Debt Instrument Covenant Description	Furthermore, upon occurrence of certain change of control events, the holders of the 2022 Notes may require the 2022 Co-Issuers to repurchase some or all of the 2022 Notes at 101% of their face amount. The 2022 Notes contain covenants, which among other things, limit the incurrence of additional indebtedness, issuance of certain preferred stock, the payment of dividends, redemption or repurchase of capital stock or making restricted payments and investments, creation of certain liens, transfer or sale of assets, entering into certain transactions with affiliates, merging or consolidating or selling all or substantially all of the 2022 Co-Issuers’ properties and assets and creation or designation of restricted subsidiaries. The 2022 Co-Issuers were in compliance with the covenants as of June 30, 2018.
2022 Logistics Senior Notes \| Navios Logistics
Debt Instrument [Line Items]
Repayment terms	The Logistics Co-Issuers have the option to redeem the 2022 Logistics Senior Notes in whole or in part, at their option, at any time on or after May 1, 2017, at a fixed price of 105.438%, which price declines ratably until it reaches par in 2020. In addition, upon the occurrence of certain change of control events, the holders of the 2022 Logistics Senior Notes will have the right to require the Logistics Co-Issuers to repurchase some or all of the 2022 Logistics Senior Notes at 101% of their face amount, plus accrued and unpaid interest to the repurchase date.
Debt Instrument Covenant Description	The indenture governing the 2022 Logistics Senior Notes contains covenants which, among other things, limit the incurrence of additional indebtedness, issuance of certain preferred stock, the payment of dividends in excess of 6% per annum of the net proceeds received by or contributed to Navios Logistics in or from any public offering, redemption or repurchase of capital stock or making restricted payments and investments, creation of certain liens, transfer or sale of assets, entering into transactions with affiliates, merging or consolidating or selling all or substantially all of Navios Logistics’ properties and assets and creation or designation of restricted subsidiaries.
Secured debt
Debt Instrument [Line Items]
Minimum liquidity	$ 30,000
Secured debt \| Minimum
Debt Instrument [Line Items]
Value to loan ratio	1.15
Net total debt to assets	0.75
Secured debt \| Minimum \| Covenants waived up to two quarters
Debt Instrument [Line Items]
Net total debt to assets	0.85
Secured debt \| Maximum
Debt Instrument [Line Items]
Value to loan ratio	1.35
Net total debt to assets	0.8
Secured debt \| Maximum \| Covenants waived up to two quarters
Debt Instrument [Line Items]
Net total debt to assets	0.9

Fair Value of Financial Instruments - Fair Value (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents - Book Value	$ 118,454	$ 127,632	$ 130,208
Cash and cash equivalents - Fair Value	118,454	127,632
Restricted cash - Book Value	2,978	6,558	$ 4,462
Restricted cash - Fair Value	2,978	6,558
Investments in available-for-sale securities - Book Value	211	238
Investments in available-for-sale securities - Fair Value	211	238
Loan receivable from affiliate companies - Book Value	31,588	30,112
Loan receivable from affiliate companies - Fair Value	31,588	30,112
Senior and ship mortgage notes, net - Book Value	(1,304,608)	(1,301,999)
Senior and ship mortgage notes, net - Fair Value	(1,148,252)	(1,181,838)
Long-term debt, including current portion - Book Value	(362,012)	(380,489)
Long-term debt, including current portion - Fair Value	(368,410)	(389,332)
Long term payable to affiliate companies - Book Value	(87,422)	(76,872)
Long term payable to affiliate companies - Fair Value	$ (87,422)	$ (76,872)

Fair Value of Financial Instruments - Recurring Measurements (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Investments in available-for-sale securities	$ 211	$ 238
Fair Value, Measurements, Recurring
Assets
Investments in available-for-sale securities	211	238
Total	211	238
Quoted Prices in Active Markets for Identical Assets (Level I) \| Fair Value, Measurements, Recurring
Assets
Investments in available-for-sale securities	211	238
Total	$ 211	$ 238

Fair Value of Financial Instruments - Assets measured at Fair Value on a Non-Recurring Basis (Table) (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Vessels, port terminals and other fixed assets, net	$ 8,082	$ 16,500
Investments in affiliates	8,082	16,500
Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Vessels, port terminals and other fixed assets, net	8,082
Investments in affiliates	$ 8,082
Significant Other Observable Inputs (Level II)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Vessels, port terminals and other fixed assets, net		16,500
Investments in affiliates		$ 16,500

Fair Value of Financial Instruments - Non-Recurring Measurements (Table) (Details) - USD ($)
$ in Thousands

Jun. 30, 2018

Dec. 31, 2017

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Cash and cash equivalents

$ 118,454

$ 127,632

Restricted cash

2,978

6,558

Loan receivable from affiliate companies

31,588

30,112

Senior and ship mortgage notes

(1,148,252)

(1,181,838)

Long-term debt, including current portion

(368,410)

(389,332)

Long-term payable to affiliate companies

(87,422)

(76,872)

Fair Value, Measurements, Nonrecurring

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Cash and cash equivalents

118,454

127,632

Restricted cash

2,978

6,558

Loan receivable from affiliate companies

^[1]

31,588

30,112

Senior and ship mortgage notes

(1,148,252)

(1,181,838)

Long-term debt, including current portion

^[2]

(368,410)

(389,332)

Long-term payable to affiliate companies

^[1]

(87,422)

(76,872)

(Level I) | Fair Value, Measurements, Nonrecurring

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Cash and cash equivalents

118,454

127,632

Restricted cash

2,978

6,558

Senior and ship mortgage notes

(1,148,252)

(1,181,838)

(Level II) | Fair Value, Measurements, Nonrecurring

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Loan receivable from affiliate companies

^[1]

31,588

30,112

Long-term debt, including current portion

^[2]

(368,410)

(389,332)

Long-term payable to affiliate companies

^[1]

$ (87,422)

$ (76,872)

[1]	The fair value of the Company’s loan receivable from/ payable to affiliate companies and long-term receivable from/payable to affiliate companies is estimated based on currently available debt with similar contract terms, interest rate and remaining maturities as well as taking into account the counterparty’s creditworthiness.
[2]	The fair value of the Company’s long-term debt is estimated based on currently available debt with similar contract terms, interest rates and remaining maturities, published quoted market prices as well as taking into account the Company’s creditworthiness.

Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment loss	$ (34)
One vessel
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment loss		$ 32,930

Commitments - Navios Holdings Future Minimum Commitments for Chartered-In Vessels, Barges and Pushboats (Table) (Details) $ in Thousands	Jun. 30, 2018 USD ($)
Charter-in Vessels, barges and pushboats in operation
Operating Leased Assets [Line Items]
June 30, 2019	$ 119,315
June 30, 2020	104,243
June 30, 2021	78,832
June 30, 2022	54,222
June 30, 2023	39,072
June 30, 2024 and thereafter	59,035
Total	454,719
Charter-in vessels to be delivered
Operating Leased Assets [Line Items]
June 30, 2019	4,306
June 30, 2020	13,693
June 30, 2021	17,156
June 30, 2022	16,944
June 30, 2023	16,706
June 30, 2024 and thereafter	53,440
Total	$ 122,245

Commitments and Contingencies (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Feb. 10, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)
Letters of guarantee and letters of credit			$ 600			$ 590
Cash consideration for purchase of vessel			10,255	$ 0
Other long term assets			44,356			37,801
Restricted cash			2,978	$ 4,462		6,558
Navios Logistics
Collateralized cash amount released		$ 2,900			$ 2,900
Vitol S.A. \| Navios Logistics
Guarantee and indemnity letter			$ 12,000
Guarantees			Navios Logistics has issued a guarantee and indemnity letter that guarantees the performance by Petrolera San Antonio S.A. (a consolidated subsidiary) of all its obligations to Vitol S.A. up to $12,000. This guarantee expires on March 1, 2019.
Vale \| Navios Logistics
Litigation Settlement, Amount Awarded from Other Party	$ 21,500
Other income			$ 1,157
Bulk carrier vessel
Vessel capacity in DWT			82,000 dwt
Date of expected delivery			Q4 2019
Cash consideration for purchase of vessel			$ 2,705
Other long term assets			2,786
Contractual Obligation			5,410
Construction of river and estuary tanker \| Navios Logistics
Contractual obligation next twelve months			$ 7,222
Covers for Dry Barges \| Navios Logistics
Contractual Obligation						$ 1,115
Newbuilding bulk carriers
Lease Term			10 years
Number of vessels			2
Cash consideration for purchase of vessel			$ 5,570
Other long term assets			5,765
Contractual obligation next twelve months			$ 11,140
First newbuilding bulk carrier
Vessel capacity in DWT			82,000 dwt
Date of expected delivery			Q3 2019
Second newbuilding bulk carrier
Vessel capacity in DWT			82,000 dwt
Date of expected delivery			Q1 2020
Bulk carrier vessel
Lease Term			10 years
Number of vessels			1
Vessel capacity in DWT			81,000 dwt
Date of expected delivery			Q4 2019
Cash consideration for purchase of vessel			$ 2,795
Other long term assets			2,872
Contractual obligation next twelve months			$ 5,590

Transactions with Related Parties (Details) € in Thousands, $ in Thousands	2 Months Ended	3 Months Ended					4 Months Ended	5 Months Ended		6 Months Ended			10 Months Ended	11 Months Ended
	Feb. 21, 2018 shares	Jun. 30, 2018 USD ($) shares	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Mar. 20, 2017 shares	Mar. 17, 2017 USD ($) shares	Apr. 30, 2016	Jun. 07, 2017	Jun. 05, 2015	Jun. 30, 2018 USD ($) shares	Jun. 30, 2018 EUR (€)	Jun. 30, 2017 USD ($)	Nov. 11, 2014 USD ($)	Nov. 18, 2014	Dec. 13, 2013	Dec. 31, 2017 USD ($)	Sep. 19, 2016	Feb. 04, 2015	Dec. 31, 2012 USD ($)
Commissions paid		$ 7,126	$ 5,360							$ 14,131		$ 10,658
General and administrative expenses		8,327	6,108							15,254		12,492
Due from affiliate, current		10,055								10,055						$ 4,002
Due to affiliate, current		20,307								20,307						16,749
Due to affiliate, non current		87,422								87,422						76,872
Deferred gain recognized in Statement of Comprehensive Income		(3,025)	(3,775)							(9,489)		1,307
Credit facility outstanding amount		205,694								205,694						219,856
Loan receivable from affiliate companies		31,588								31,588						30,112
Other long term liabilities and deferred income		41,130								41,130						43,382
Goldland Anonymos Eteria
Annual lease payments of office										1,136	€ 939
Acropolis
Commissions paid		0	0							0		0
Trade accounts payable		76								$ 76						76
Navios Partners
Termination date of the administrative services agreement										December 31, 2022	December 31, 2022
Due to affiliate, current		8,275								$ 8,275						8,315
Due to affiliate, non current		24,593								24,593						14,891
Unamortized deferred gain for vessels and rights sold		9,009								9,009						9,955
Deferred gain recognized in Statement of Comprehensive Income		473	473							$ 946		946
Credit facility outstanding amount																0
Loan receivable from affiliate companies																0
Number of shares issued-common stock \| shares	18,422,000				47,795,000
Navios Acquisition
Termination date of the administrative services agreement										May 2020	May 2020
Long-term receivable from affiliate companies																0
Due to affiliate, current		280								$ 280						2,800
Due to affiliate, non current		13,385								13,385						15,236
Line Credit Facility Arrangement Fees													$ 4,000
Credit facility outstanding amount																0
Navios Midstream
Due to affiliate, current		2,870								2,870						990
Due to affiliate, non current		2,565								$ 2,565						4,554
Description of the option to acquire Navios Midstream										Navios Holdings entered into an option agreement, with Navios Acquisition under which Navios Acquisition, which owns and controls Navios Maritime Midstream Partners GP LLC (“Midstream General Partner”), granted Navios Holdings the option to acquire a minimum of 25% of the outstanding membership interests in Midstream General Partner and the incentive distribution rights in Navios Midstream representing the right to receive an increasing percentage of the quarterly distributions when certain conditions are met. The option shall expire on November 18, 2024. The purchase price for the acquisition for all or part of the option interest shall be an amount equal to its fair market value. As of June 30, 2018, Navios Holdings had not exercised any part of that option.	Navios Holdings entered into an option agreement, with Navios Acquisition under which Navios Acquisition, which owns and controls Navios Maritime Midstream Partners GP LLC (“Midstream General Partner”), granted Navios Holdings the option to acquire a minimum of 25% of the outstanding membership interests in Midstream General Partner and the incentive distribution rights in Navios Midstream representing the right to receive an increasing percentage of the quarterly distributions when certain conditions are met. The option shall expire on November 18, 2024. The purchase price for the acquisition for all or part of the option interest shall be an amount equal to its fair market value. As of June 30, 2018, Navios Holdings had not exercised any part of that option.
Navios Containers
Due to affiliate, current		4,723								$ 4,723						3,334
Due to affiliate, non current		12,138								12,138						7,965
Deferred gain recognized in Statement of Comprehensive Income		$ 142	88							$ 244		88
Ownership percentage of Navios Holdings		3.10%								3.10%
Navios Acquisition Loan
Line of credit facility issuance date										Sep. 19, 2016	Sep. 19, 2016
Maximum borrowing capacity		$ 70,000								$ 70,000
Line Credit Facility Arrangement Fees										700
Navios Acquisition Loan \| Navios Logistics
Ownership percentage of Navios Holdings																	78.50%
Navios Partners Agreement
Maximum payout of company under Navios Partner's guarantee																			$ 20,000
General and administrative expenses		2,330	1,919							4,580		3,865
Navios Partners Agreement \| Guarantee claim
Other long term liabilities and deferred income		20,000								20,000
Navios Logistics Agreement
General and administrative expenses		250	250							500		500
Termination date of the administrative services agreement							December 2021
Navios Europe I Agreement
General and administrative expenses		332	295							660		588
Administrative services agreement term in years															6 years
Navios Midstream Agreement
General and administrative expenses		375	375							744		750
Administrative services agreement term in years														5 years
Navios Europe II Agreement
General and administrative expenses		509	441							1,012		876
Administrative services agreement term in years									6 years
Navios Containers agreement
General and administrative expenses		1,393	79							$ 2,700		79
Administrative services agreement term in years								5 years
Navios Containers agreement with automatic extension
Administrative services agreement term in years										5 years	5 years
Navios Revolving Loans I Transfer
Due to affiliate, non current		34,741								$ 34,741
Proceeds from transfer of debt						$ 4,050
Consideration received						33,473
Debt instrument unamortized premium		$ 9,358				12,089				$ 9,358
Navios Revolving Loans I Transfer \| Navios Partners
Loan receivable from affiliate companies						$ 21,384
Number of shares issued-common stock \| shares						13,076,923
Consideration equity component						$ 29,423
Share Repurchase Program
General partnership interests \| shares		1,717,318								1,717,318
Minimum \| Navios Midstream
Ownership percentage of Navios Holdings		25.00%								25.00%
Minimum \| Share purchase agreement with Navios Partners
Ownership percentage of Navios Holdings																		20.00%
Navios Term Loans II \| Navios Acquisition Agreement
General and administrative expenses		$ 2,188	$ 2,250							$ 4,435		$ 4,500
Navios Europe I
Due from affiliate, total		13,463								13,463						7,176
Due from affiliate, current		9,775								9,775						4,002
Long-term receivable from affiliate companies		$ 3,688								$ 3,688						3,174
Ownership percentage of Navios Holdings		47.50%								47.50%
Navios Europe I \| Navios Revolving Loans I
Preferred Distribution Percentage										12.70%	12.70%
Loan receivable from affiliate companies		$ 11,125								$ 11,125						11,125
Navios Europe I \| Navios Revolving Loans I \| Navios Holdings, Navios Acquisition and Navios Partners
Available amount of loan facility		0								$ 0
Navios Europe I \| Navios Revolving Loans II
Preferred Distribution Percentage										18.00%	18.00%
Navios Europe II
Due from affiliate, total		274								$ 274						2,440
Due from affiliate, current		4,439								4,439						1,310
Long-term receivable from affiliate companies		$ 4,713								$ 4,713						3,750
Ownership percentage of Navios Holdings		47.50%								47.50%
Navios Europe II \| Navios Revolving Loans II
Loan receivable from affiliate companies		$ 12,063								$ 12,063						$ 12,063
Navios Europe II \| Navios Revolving Loans II \| Navios Holdings, Navios Acquisition and Navios Partners
Available amount of loan facility		15,003								15,003
Line of Credit Facility, Increase				$ 14,000
Navios Europe II \| Navios Revolving Loans II \| Minimum \| Navios Holdings, Navios Acquisition and Navios Partners
Available amount of loan facility		0								0
Navios Europe II \| Navios Revolving Loans II \| Maximum \| Funding Commitment
Available amount of loan facility		$ 15,003								$ 15,003

Transactions with Related Parties - Vessels Charter Hire and Management Fees (Details) - USD ($)	1 Months Ended	3 Months Ended		5 Months Ended		6 Months Ended		9 Months Ended	11 Months Ended
	Jan. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 07, 2017	Jun. 05, 2015	Jun. 30, 2018	Jun. 30, 2017	Oct. 31, 2017	Nov. 30, 2016	Nov. 18, 2014	Dec. 13, 2013
Voyage expenses		$ 0	$ 0			$ 0	$ 651,000
Navios Apollon \| Extended charter hire agreement
Date of agreement						Apr. 30, 2015
Lease term						one year
Charter hire daily rate						$ 12,500
Profit sharing, Percentage allocation based on earnings						50.00%
Navios Libra \| Extended charter hire agreement
Date of agreement						Apr. 30, 2015
Lease term						one year
Charter hire daily rate						$ 12,000
Profit sharing, Percentage allocation based on earnings						50.00%
Navios Felicity \| Extended charter hire agreement
Date of agreement						Apr. 30, 2015
Lease term						one year
Charter hire daily rate						$ 12,000
Profit sharing, Percentage allocation based on earnings						50.00%
Navios Hope \| Extended charter hire agreement
Date of agreement						Apr. 30, 2015
Lease term						one year
Charter hire daily rate						$ 10,000
Profit sharing, Percentage allocation based on earnings						50.00%
Navios Fantastiks \| Charter hire agreement
Charter hire daily rate						$ 12,500
Navios Gemini \| Charter hire agreement
Charter hire daily rate						7,600
Navios Pollux \| Charter hire agreement
Charter hire daily rate						$ 11,400
Navios Sun, Navios Orbiter, Navios Soleil, Navios Alegria, Navios Harmony and Navios Hyperion \| Maximum
Lease term						12 months
Navios Sun, Navios Orbiter, Navios Soleil, Navios Alegria, Navios Harmony and Navios Hyperion \| Charter hire agreement
Charter hire daily rate						$ 12,000
Navios Partners for the Navios Gemini, Navios Hyperion, Navios Soleil, Navios Harmony, Navios Orbiter, Navios Fantastiks, Navios Alegria, Navios Pollux and Navios Sun \| Minimum
Lease term						9 months
Navios Partners for the Navios Gemini, Navios Hyperion, Navios Soleil, Navios Harmony, Navios Orbiter, Navios Fantastiks, Navios Alegria, Navios Pollux and Navios Sun \| Charter hire agreement
Profit sharing, Percentage allocation based on earnings						50.00%
Navios Fulvia \| Charter hire agreement
Date of agreement						Nov. 30, 2016
Charter hire daily rate						$ 11,500
Duration of agreements									3 months
Navios Partners
Termination date of the administrative services agreement						December 31, 2022
Management fees		17,382	14,322			$ 34,072	28,665
Navios Partners \| Ultra-Handymax vessel
Daily management fee	$ 4,000					4,200		$ 4,100
Navios Partners \| Panamax vessel
Daily management fee	4,100					4,300		4,200
Navios Partners \| Capesize vessel
Daily management fee	5,100					5,250		5,250
Navios Partners \| Container vessel of 6,800 TEU
Daily management fee	6,500					6,700		6,700
Navios Partners \| Container vessel more than 8,000 TEU
Daily management fee	7,200					7,400		7,400
Navios Partners \| Container vessel more than 13,000 TEU
Daily management fee	$ 8,500					$ 8,750		$ 8,750
Navios Acquisition
Termination date of the administrative services agreement						May 2020
Management fees		22,913,000	23,678,000			$ 46,312,000	47,096,000
Navios Acquisition \| Amendement of management agreement
Termination date of the administrative services agreement						May 31, 2018
Navios Acquisition \| MR2 product tanker and chemical tanker vessel \| Extended management agreement
Daily management fee						$ 6,000
Duration of agreements						2 years
Navios Acquisition \| MR2 product tanker and chemical tanker vessel \| Amendement of management agreement
Daily management fee						$ 6,350
Navios Acquisition \| MR2 product tanker and chemical tanker vessel \| Further amendement of management agreement
Daily management fee						6,500
Navios Acquisition \| LR1 product tanker vessel \| Extended charter hire agreement
Daily management fee						$ 7,000
Duration of agreements						2 years
Navios Acquisition \| LR1 product tanker vessel \| Amendement of management agreement
Daily management fee						$ 7,150
Navios Acquisition \| LR1 product tanker vessel \| Further amendement of management agreement
Daily management fee						7,150
Navios Acquisition \| VLCC vessel \| Extended management agreement
Daily management fee						$ 9,500
Duration of agreements						2 years
Navios Acquisition \| VLCC vessel \| Amendement of management agreement
Daily management fee						$ 9,500
Navios Acquisition \| VLCC vessel \| Further amendement of management agreement
Daily management fee						9,500
Navios Europe I
Management fees		5,154,000	5,376,000			10,377,000	10,593,000
Navios Europe I \| Management agreement
Duration of agreements											6 years
Navios Midstream
Management fees		5,187,000	5,187,000			$ 10,251,000	10,317,000
Navios Midstream \| Management agreement
Duration of agreements										5 years
Navios Midstream \| VLCC vessel \| Management agreement
Termination date of the administrative services agreement						Dec. 31, 2018
Daily management fee						$ 9,500
Navios Europe II
Management fees		5,540,000	5,473,000			10,801,000	11,186,000
Navios Europe II \| Management agreement
Duration of agreements					6 years
Navios Containers \| Management agreement
Management fees		$ 12,449,000	$ 915,000			$ 24,088,000	$ 915,000
Duration of agreements				5 years
Navios Containers \| Automatic extension of management agreement
Duration of agreements						5 years
Navios Containers \| Container vessel more than 5,500 TEU
Daily management fee						$ 6,100
Navios Containers \| Container vessel more than 5,500 TEU and up to 8,000 TEU
Daily management fee						6,700
Navios Containers \| Container vessel more than 8,000 TEU and up to 10,000 TEU
Daily management fee						$ 7,400

Preferred and Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	4 Months Ended	6 Months Ended			11 Months Ended
	Apr. 19, 2017	Jun. 30, 2018	Jul. 15, 2017	Jun. 30, 2017	Dec. 11, 2017	Dec. 31, 2017
Undeclared preferred dividends		$ 24,807
Preferred stock shares outstanding		46,302				46,302
Common stock shares outstanding		124,706,280				120,386,472
Value of the exchange offer		$ 12				$ 12
Amount of tender offer paid in cash				$ (482)
Payments for tender offer expenses		0		$ 482
Shares tendered, nominal value		$ 0				$ 0
Percentage of the increase of the preferred dividend rate			0.25%
Restricted common stock
Forfeited shares of common stock		4,500		0
Restricted stock units
Vested stock units		3,333		0
Series G \| ADS Exchange Offer
Amount of tender offer paid in cash	$ 360
Series H \| ADS Exchange Offer
Amount of tender offer paid in cash	406
Series G and Series H \| ADS Exchange Offer
Payments for tender offer expenses	571
Shares tendered, value net of fees	1,843
Series G and Series H \| Dividends undeclared \| ADS Exchange Offer
Dividends cancelled	$ 270
American Depositary Shares - The Series G
Preferred stock shares outstanding		14,191
Sale of Stock- Redemption price per share		$ 25
Number of shares		2,000,000
Preferred stock liquidation preference		$ 2,500
Dividend rate of preferred stock		8.75%
American Depositary Shares - The Series H
Preferred stock shares outstanding		28,612
Sale of Stock- Redemption price per share		$ 25
Number of shares		4,800,000
Preferred stock liquidation preference		$ 2,500
Dividend rate of preferred stock		8.625%
Convertible preferred stock
Preferred stock shares outstanding		3,499
Common Stock
Tender offer, stocks				625,815
Common Stock \| ADS Exchange Offer
Restricted stock units granted					4,320,975
Tender offer, stocks	625,815
Fair value of stock issued	$ 1,127

Other Expense, Net (Details) - USD ($) $ in Thousands	2 Months Ended	6 Months Ended
Other Expense, Net (Details) - USD ($) $ in Thousands	Feb. 28, 2017	Jun. 30, 2018	Jun. 30, 2017
Other income \| Navios Logistics
Schedule Of Equity Method Investments [Line Items]
Other (expense)/income - taxes other than income taxes		$ 3,271	$ 4,427
Formosa and San Lorenzo \| Navios Logistics
Schedule Of Equity Method Investments [Line Items]
Vessel sale price	$ 1,109
Gain on sale of assets	$ 1,030

Segment Information (Table) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Revenue	$ 132,051	$ 118,618	$ 248,933	$ 213,964
Administrative fee revenue from affiliates	7,126	5,360	14,131	10,658
Interest expense and finance cost, net	(33,253)	(27,565)	(65,063)	(54,987)
Depreciation and amortization	(24,537)	(26,091)	(50,603)	(51,714)
Equity in net (losses)/earnings of affiliated companies	(3,025)	(3,775)	(9,489)	1,307
Net (loss) income attributable to Navios Holdings common stockholders	(25,292)	(37,258)	(66,149)	(85,977)
Total assets	2,573,128	2,696,440	2,573,128	2,696,440	$ 2,629,981
Goodwill	160,336	160,336	160,336	160,336	160,336
Capital expenditures	(3,804)	(13,078)	(18,493)	(29,170)
Investments in affiliates	174,263	189,195	174,263	189,195	183,160
Cash and cash equivalents	118,454	130,208	118,454	130,208	127,632
Restricted cash	2,978	4,462	2,978	4,462	$ 6,558
Long-term debt (including current and noncurrent portion)	1,666,620	1,646,270	1,666,620	1,646,270
Dry bulk Vessel Operations
Segment Reporting Information [Line Items]
Revenue	71,988	59,237	136,602	110,782
Administrative fee revenue from affiliates	7,126	5,360	14,131	10,658
Interest expense and finance cost, net	(23,256)	(21,270)	(45,821)	(42,911)
Depreciation and amortization	(17,385)	(19,713)	(36,223)	(39,246)
Equity in net (losses)/earnings of affiliated companies	(3,025)	(3,775)	(9,489)	1,307
Net (loss) income attributable to Navios Holdings common stockholders	(27,842)	(40,085)	(68,030)	(86,885)
Total assets	1,898,715	2,036,569	1,898,715	2,036,569
Goodwill	56,240	56,240	56,240	56,240
Capital expenditures	(1,527)	(63)	(12,447)	(99)
Investments in affiliates	174,263	189,195	174,263	189,195
Cash and cash equivalents	48,051	67,309	48,051	67,309
Restricted cash	2,978	4,462	2,978	4,462
Long-term debt (including current and noncurrent portion)	1,137,924	1,205,392	1,137,924	1,205,392
Logistics Business
Segment Reporting Information [Line Items]
Revenue	60,063	59,381	112,331	103,182
Administrative fee revenue from affiliates	0	0	0	0
Interest expense and finance cost, net	(9,997)	(6,295)	(19,242)	(12,076)
Depreciation and amortization	(7,152)	(6,378)	(14,380)	(12,468)
Equity in net (losses)/earnings of affiliated companies	0	0	0	0
Net (loss) income attributable to Navios Holdings common stockholders	2,550	2,827	1,881	908
Total assets	674,413	659,871	674,413	659,871
Goodwill	104,096	104,096	104,096	104,096
Capital expenditures	(2,277)	(13,015)	(6,046)	(29,071)
Investments in affiliates	0	0	0	0
Cash and cash equivalents	70,403	62,899	70,403	62,899
Restricted cash	0	0	0	0
Long-term debt (including current and noncurrent portion)	$ 528,696	$ 440,878	$ 528,696	$ 440,878

Loss Per Common Share (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator:
Net loss attributable to Navios Holdings common stockholders	$ (25,292)	$ (37,258)	$ (66,149)	$ (85,977)
Declared and undeclared dividend on preferred stock and on unvested restricted shares	(2,564)	(2,660)	(5,113)	(5,304)
Tender Offer – Redemption of preferred stock Series G and Series H including $270 of undeclared preferred dividend cancelled for both three and six months	0	504	0	504
Loss available to Navios Holdings common stockholders, basic and diluted	$ (27,856)	$ (39,414)	$ (71,262)	$ (90,777)
Denominator:
Denominator for basic and diluted net loss per share attributable to Navios Holdings common stockholders — weighted average shares	119,423,135	116,051,809	119,422,969	115,612,780
Basic and diluted net losses per share attributable to Navios Holdings common stockholders	$ (0.23)	$ (0.34)	$ (0.6)	$ (0.79)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Loss Per Common Share (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Loss Per Common Share (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Undeclared preferred dividends			$ 24,807
Common shares
Shares with anti-dilutive effect, not included in calculation of earnings per share	7,014,824	5,136,726	6,633,967	5,163,035
Convertible Preferred Stock
Shares with anti-dilutive effect, not included in calculation of earnings per share	3,499,000	5,625,370	3,499,000	5,625,370

Investments in affiliates and investments in available-for-sale securities (Table) (Details) - Navios Acquisition - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Balance sheet
Cash and cash equivalents, including restricted cash	$ 52,064		$ 52,064		$ 86,458
Current assets	86,603		86,603		119,733
Non-current assets	1,381,631		1,381,631		1,453,048
Current liabilities	82,531		82,531		74,618
Long- term debt including current portion, net	1,023,391		1,023,391		1,065,369
Non-current liabilities	980,944		980,944		$ 1,035,688
Income Statement
Revenue	41,479	$ 58,458	87,629	$ 122,940
Net loss	$ (22,068)	$ (64,417)	$ (46,534)	$ (58,802)

Investments in affiliates and investments in available-for-sale securities (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended						6 Months Ended
	Feb. 21, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Mar. 31, 2017	Mar. 20, 2017	Mar. 17, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Schedule Of Equity Method Investments [Line Items]
Payments to acquire common stock								$ 6,278	$ 7,626
Equity in net earnings of affiliated companies		$ (3,025)		$ (3,775)				(9,489)	1,307
Investments in affiliates		174,263		189,195				174,263	189,195	$ 183,160
Dividends received								2,919	0
Navios Partners
Schedule Of Equity Method Investments [Line Items]
General partner interest of Navios Holdings	2.00%		2.00%		2.00%	2.00%
Common Units issued in public offering					1,200,442
Payments to acquire investment	$ 714		$ 64		$ 110	$ 2,048
Number of shares issued-common stock	18,422,000					47,795,000
Equity in net earnings of affiliated companies		$ 473		473				$ 946	946
Private placement of units to Navios Holdings			1,370,044		2,040,000
Partners capital account units acquisitions			27,960		66,131	975,408
Issuance of common stock	$ 5,000
Navios Revolving Loans I Transfer \| Navios Partners
Schedule Of Equity Method Investments [Line Items]
General partner interest of Navios Holdings							2.00%
Payments to acquire investment							$ 468
Number of shares issued-common stock							13,076,923
Partners capital account units acquisitions							266,876
Navios Partners
Schedule Of Equity Method Investments [Line Items]
General partner interest of Navios Holdings								2.00%
General Partner units held by Navios Holdings		3,420,203						3,420,203
Common units held by Navios Holdings		31,053,233						31,053,233
Difference between carrying amount of investment and underlying equity in net assets of equity method investee		$ 84,080						$ 84,080		98,608
Equity in net earnings of affiliated companies		5,642		2,432				9,448	3,399
Investments in affiliates		80,364						80,364		66,773
Dividends received		$ 690		0				$ 690	0
Ownership percentage of Navios Holdings		20.20%						20.20%
Market value of the investment		$ 65,155						$ 65,155
Acropolis
Schedule Of Equity Method Investments [Line Items]
Investments in affiliates		105						105		228
Dividends received		$ 170		55				$ 170	55
Ownership percentage of Navios Holdings		35.00%						35.00%
Ownership Interest								50.00%
Profit Sharing Arrangement								Navios Holdings has a 50% interest in Acropolis, a brokerage firm for freight and shipping charters. Although Navios Holdings owns 50% of Acropolis' stock, Navios Holdings agreed with the other shareholder that the earnings and amounts declared by way of dividends will be allocated 35% to the Company with the balance to the other shareholder.
Navios Acquisition
Schedule Of Equity Method Investments [Line Items]
Difference between carrying amount of investment and underlying equity in net assets of equity method investee		$ 116,268						$ 116,268		$ 113,597
Equity in net earnings of affiliated companies		(9,321)		(6,507)				(20,192)	(2,575)
Investments in affiliates		76,480						76,480			$ 99,590
Dividends received		$ 1,460		$ 3,649				$ 2,919	$ 7,298
Ownership percentage of Navios Holdings		48.30%						48.30%
Market value of the investment		$ 44,516						$ 44,516

Investments in affiliates and investments in available-for-sale securities - Navios Europe I and Navios Europe II (Details) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2015 USD ($)	Dec. 18, 2013 USD ($)	Dec. 31, 2017 USD ($)	Feb. 18, 2015 USD ($)
Investments In And Advances To Affiliates [Line Items]
Long-term debt	$ 1,666,620	$ 1,646,270		$ 1,666,620	$ 1,646,270
Investments in affiliates	174,263	189,195		174,263	189,195			$ 183,160
Portion of the carrying balance of related party loan	31,588			31,588				30,112
Equity in net earnings of affiliated companies	(3,025)	(3,775)		(9,489)	1,307
Navios Europe I
Investments In And Advances To Affiliates [Line Items]
Difference between carrying amount of investment and underlying equity in net assets of equity method investee	3,696			3,696			$ 6,763	4,034
Estimated maximum potential loss	25,383			25,383				23,838
Investments in affiliates	4,750			$ 4,750			$ 4,750	4,750
Profit Sharing Arrangement				On an ongoing basis, Navios Europe I is required to distribute cash flows (after payment of operating expenses and amounts due pursuant to the terms of the Senior Loans I) according to a defined waterfall calculation.
Equity in net earnings of affiliated companies	0	(16)		$ 0	158
Number of vessels acquired							10
Navios Europe I \| Navios Term Loans I
Investments In And Advances To Affiliates [Line Items]
Investents in affiliates including accrued interest	8,438			8,438				7,924
Navios Europe I \| Navios Revolving Loans I
Investments In And Advances To Affiliates [Line Items]
Portion of the carrying balance of related party loan	16,946			16,946				15,914
Navios Europe I \| Navios Revolving Loans I \| Navios Holdings, Navios Acquisition and Navios Partners
Investments In And Advances To Affiliates [Line Items]
Line of credit facility maximum borrowing capacity							$ 24,100
Navios Europe I \| 10 vessels \| Navios Holdings, Navios Acquisition and Navios Partners
Investments In And Advances To Affiliates [Line Items]
Long-term debt							$ 10,000
Navios Europe II
Investments In And Advances To Affiliates [Line Items]
Difference between carrying amount of investment and underlying equity in net assets of equity method investee	6,540			6,540				7,011	$ 9,419
Estimated maximum potential loss	23,425			23,425				22,463
Investments in affiliates	6,650			$ 6,650				6,650	$ 6,650
Profit Sharing Arrangement				On an ongoing basis, Navios Europe II is required to distribute cash flows (after payment of operating expenses, amounts due pursuant to the terms of the Senior Loans II) according to a defined waterfall calculation.
Equity in net earnings of affiliated companies	495	$ 169		$ 963	$ 200
Number of vessels acquired						14
Navios Europe II \| Navios Term Loans II
Investments In And Advances To Affiliates [Line Items]
Investents in affiliates including accrued interest	11,363			11,363				10,400
Navios Europe II \| Navios Revolving Loans II
Investments In And Advances To Affiliates [Line Items]
Portion of the carrying balance of related party loan	$ 12,063			$ 12,063				$ 12,063
Navios Europe II \| Navios Revolving Loans II \| Navios Holdings, Navios Acquisition and Navios Partners
Investments In And Advances To Affiliates [Line Items]
Line of credit facility maximum borrowing capacity						$ 43,500
Line of Credit Facility, Increase			$ 14,000
Navios Europe II \| 14 Vessels \| Navios Holdings, Navios Acquisition and Navios Partners
Investments In And Advances To Affiliates [Line Items]
Long-term debt						$ 14,000

Investments in affiliates and investments in available-for-sale securities - Navios Containers (Details) - USD ($) $ / shares in Units, $ in Thousands	2 Months Ended	3 Months Ended				5 Months Ended	6 Months Ended
	Mar. 13, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Mar. 31, 2017	Jun. 08, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Investments In And Advances To Affiliates [Line Items]
Equity in net (losses)/earnings of affiliated companies		$ (3,025)		$ (3,775)			$ (9,489)	$ 1,307
Investments in affiliates		174,263		189,195			174,263	189,195	$ 183,160
Navios Partners
Investments In And Advances To Affiliates [Line Items]
Partners' Capital Account, Units, Sold in Private Placement			1,370,044		2,040,000
Equity in net (losses)/earnings of affiliated companies		$ 473		473			$ 946	946
Navios Containers
Investments In And Advances To Affiliates [Line Items]
Investments on the equity	$ 500					$ 5,000
Ownership percentage of Navios Holdings		3.10%					3.10%
Equity in net (losses)/earnings of affiliated companies		$ 142		$ 88			$ 244	$ 88
Investments in affiliates		5,905					5,905		$ 5,161
Market value of the investment		$ 5,891					$ 5,891
Navios Containers \| Common units
Investments In And Advances To Affiliates [Line Items]
Partners' Capital Account, Units, Sold in Private Placement						10,057,645
Price per share offered						$ 5
Proceeds from Issuance of Private Placement						$ 50,288
Navios Containers \| Warrants
Investments In And Advances To Affiliates [Line Items]
Ownership interest		1.70%				1.70%	1.70%
Exercise price						$ 5
Warrants And Rights Outstanding Term						5 years
Navios Containers \| Navios Partners
Investments In And Advances To Affiliates [Line Items]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase Of Interest By Parent						$ 30,000
Navios Containers \| Navios Partners \| Warrants
Investments In And Advances To Affiliates [Line Items]
Ownership percentage						6.80%

Investments in affiliates and investments in available-for-sale securities - Investments in available-for-sale securities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Schedule Of Equity Method Investments [Line Items]
Investment in available-for-sale-securities	$ 211	$ 211		$ 238
Unrealized loss	$ 25	$ 27	$ 2

Subsequent Events (Details) € in Thousands, $ in Thousands	6 Months Ended			7 Months Ended	8 Months Ended
Subsequent Events (Details) € in Thousands, $ in Thousands	Jun. 30, 2018 USD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2017 USD ($)	Jul. 31, 2018 USD ($)	Aug. 24, 2018 USD ($)	Jul. 03, 2018 USD ($)	Jun. 30, 2018 EUR (€)
Subsequent Event [Line Items]
Cash consideration for purchase of vessel	$ 10,255		$ 0
Navios Achilles
Subsequent Event [Line Items]
Vessel capacity in DWT	52,063 dwt	52,063 dwt
Vessel year built	2001	2001
Vessel sale price				$ 8,085
Disposal date	Jul. 31, 2018	Jul. 31, 2018
Navios Primavera
Subsequent Event [Line Items]
Vessel capacity in DWT	53,464 dwt	53,464 dwt
Vessel year built	2007	2007
River and estuary tanker \| Shipbuilder
Subsequent Event [Line Items]
Date of delivery	Aug. 17, 2018	Aug. 17, 2018
River and estuary tanker \| Navios Logistics
Subsequent Event [Line Items]
Contractual Obligation	$ 14,443						€ 12,400
Fixed interest rate	6.75%						6.75%
Repayment installments	24	24
River and estuary tanker \| Navios Logistics \| Shipbuilder
Subsequent Event [Line Items]
Percentage financed by third party	50.00%	50.00%
River and estuary tanker \| Navios Logistics \| Maximum
Subsequent Event [Line Items]
Amount financed by third party	$ 7,222	€ 6,200
Navios Partners \| Navios Mars
Subsequent Event [Line Items]
Vessel capacity in DWT	181,259 dwt	181,259 dwt
Vessel year built	2016	2016
Navios Partners \| Navios Sphera
Subsequent Event [Line Items]
Vessel capacity in DWT	84,872 dwt	84,872 dwt
Vessel year built	2016	2016
Subsequent event \| Navios Achilles
Subsequent Event [Line Items]
Vessel sale price						$ 8,085
Subsequent event \| Navios Primavera
Subsequent Event [Line Items]
Cash consideration for purchase of vessel					$ 10,479
Deposit upon signing of contract					$ 1,063
Date of delivery					Q4 2018
Subsequent event \| Newbuilding bulk carrier
Subsequent Event [Line Items]
Vessel capacity in DWT					81,000 dwt
Deposit for option acquisition					$ 5,820
Date of delivery					Q2 2020
Subsequent event \| Navios Partners \| Navios Sphera and Navios Mars
Subsequent Event [Line Items]
Contractual Obligation				$ 79,000
Date of delivery				Q3 2018