Investments in affiliates and investments in available-for-sale securities (Details) - USD ($)
$ / shares in Units, $ in Thousands |
2 Months Ended |
3 Months Ended |
9 Months Ended |
12 Months Ended |
Feb. 28, 2015 |
Mar. 31, 2017 |
Mar. 20, 2017 |
Mar. 17, 2017 |
Sep. 30, 2017 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Schedule Of Equity Method Investments [Line Items] |
|
|
|
|
|
|
|
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| Payments to acquire common stock |
|
|
|
|
|
$ 7,638
|
$ 0
|
$ 22,846
|
| Equity in net earnings of affiliated companies |
|
|
|
|
|
4,399
|
(202,779)
|
61,484
|
| Investments in affiliates |
|
|
|
|
|
183,160
|
160,071
|
381,746
|
| Dividends received |
|
|
|
|
|
7,298
|
0
|
18,244
|
| Other than temporary impairment loss on investments |
|
|
|
|
|
|
228,026
|
|
| Navios Partners |
|
|
|
|
|
|
|
|
| Schedule Of Equity Method Investments [Line Items] |
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| General partner interest of Navios Holdings |
|
2.00%
|
2.00%
|
|
2.00%
|
|
|
|
| Common Units issued in public offering |
|
1,200,442
|
|
|
|
|
|
|
| Payments to acquire investment |
|
$ 110
|
$ 2,048
|
|
$ 12
|
|
|
|
| Number of shares issued-common stock |
|
|
47,795,000
|
|
|
|
|
|
| Equity in net earnings of affiliated companies |
|
|
|
|
|
$ 1,892
|
1,833
|
2,621
|
| Private placement of units to Navios Holdings |
|
2,040,000
|
|
|
|
|
|
|
| Partners capital account units acquisitions |
|
66,131
|
975,408
|
|
7,376
|
|
|
|
| Price per common unit |
|
|
$ 2.1
|
|
|
|
|
|
| Navios Revolving Loans I Transfer |
|
|
|
|
|
|
|
|
| Schedule Of Equity Method Investments [Line Items] |
|
|
|
|
|
|
|
|
| Long-term liability recognized |
|
|
|
$ 33,473
|
|
|
|
|
| Proceeds from transfer of debt |
|
|
|
$ 4,050
|
|
|
|
|
| Navios Revolving Loans I Transfer | Navios Partners |
|
|
|
|
|
|
|
|
| Schedule Of Equity Method Investments [Line Items] |
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|
|
|
|
|
|
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| General partner interest of Navios Holdings |
|
|
|
2.00%
|
|
|
|
|
| Payments to acquire investment |
|
|
|
$ 468
|
|
|
|
|
| Number of shares issued-common stock |
|
|
|
13,076,923
|
|
|
|
|
| Consideration equity component |
|
|
|
$ 29,423
|
|
|
|
|
| Partners capital account units acquisitions |
|
|
|
266,876
|
|
|
|
|
| Navios Partners |
|
|
|
|
|
|
|
|
| Schedule Of Equity Method Investments [Line Items] |
|
|
|
|
|
|
|
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| Common Units issued in public offering |
4,600,000
|
|
|
|
|
|
|
|
| Proceeds From Issuance Of Common Limited Partners Units |
$ 60,214
|
|
|
|
|
|
|
|
| Proceeds from private placement of units to Navios Holdings |
$ 14,967
|
|
|
|
|
|
|
|
| Navios Partners | Private placement | Common units |
|
|
|
|
|
|
|
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| Schedule Of Equity Method Investments [Line Items] |
|
|
|
|
|
|
|
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| Private placement of units to Navios Holdings |
1,120,547
|
|
|
|
|
|
|
|
| Navios Partners | Private placement | General partner units |
|
|
|
|
|
|
|
|
| Schedule Of Equity Method Investments [Line Items] |
|
|
|
|
|
|
|
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| Private placement of units to Navios Holdings |
22,868
|
|
|
|
|
|
|
|
| Navios Partners |
|
|
|
|
|
|
|
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| Schedule Of Equity Method Investments [Line Items] |
|
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|
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|
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|
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| General partner interest of Navios Holdings |
|
|
|
|
|
2.00%
|
|
|
| Payments to acquire common stock |
$ 1,229
|
|
|
|
|
|
|
|
| General Partner units held by Navios Holdings |
|
|
|
|
|
3,016,284
|
|
|
| Common units held by Navios Holdings |
|
|
|
|
|
28,421,233
|
|
|
| Difference between carrying amount of investment and underlying equity in net assets of equity method investee |
|
|
|
|
|
$ 98,608
|
112,417
|
|
| Equity in net earnings of affiliated companies |
|
|
|
|
|
12,570
|
(5,979)
|
15,462
|
| Investments in affiliates |
|
|
|
|
|
66,773
|
24,033
|
|
| Dividends received |
|
|
|
|
|
$ 0
|
0
|
27,993
|
| Ownership percentage of Navios Holdings |
|
|
|
|
|
20.80%
|
|
|
| Market value of the investment |
|
|
|
|
|
$ 74,193
|
|
|
| Other than temporary impairment loss on investments |
|
|
|
|
|
|
83,596
|
|
| Acropolis |
|
|
|
|
|
|
|
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| Schedule Of Equity Method Investments [Line Items] |
|
|
|
|
|
|
|
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| Investments in affiliates |
|
|
|
|
|
228
|
105
|
|
| Dividends received |
|
|
|
|
|
$ 55
|
85
|
454
|
| Ownership percentage of Navios Holdings |
|
|
|
|
|
35.00%
|
|
|
| Ownership Interest |
|
|
|
|
|
50.00%
|
|
|
| Profit Sharing Arrangement |
|
|
|
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|
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.
|
|
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| Navios Acquisition |
|
|
|
|
|
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| Schedule Of Equity Method Investments [Line Items] |
|
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|
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|
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| Difference between carrying amount of investment and underlying equity in net assets of equity method investee |
|
|
|
|
|
$ 113,597
|
140,131
|
|
| Equity in net earnings of affiliated companies |
|
|
|
|
|
(9,875)
|
29,801
|
43,299
|
| Investments in affiliates |
|
|
|
|
|
99,590
|
124,062
|
|
| Dividends received |
|
|
|
|
|
$ 14,595
|
14,595
|
$ 18,244
|
| Ownership percentage of Navios Holdings |
|
|
|
|
|
46.20%
|
|
|
| Percentage of voting stock of Navios Holdings in Navios Acquisition |
|
|
|
|
|
42.90%
|
|
|
| Market value of the investment |
|
|
|
|
|
$ 81,005
|
|
|
| Other than temporary impairment loss on investments |
|
|
|
|
|
|
$ 144,430
|
|