Investments in affiliates and investments in available-for-sale securities (Details) - USD ($)
$ in Thousands |
|
1 Months Ended |
2 Months Ended |
3 Months Ended |
5 Months Ended |
10 Months Ended |
11 Months Ended |
12 Months Ended |
Jan. 03, 2019 |
Jan. 31, 2019 |
Feb. 28, 2019 |
Feb. 28, 2018 |
Feb. 21, 2018 |
Mar. 31, 2018 |
May 21, 2019 |
Nov. 14, 2018 |
Dec. 06, 2018 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Schedule Of Equity Method Investments [Line Items] |
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| Investments in affiliate companies |
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$ 56,988
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$ 64,352
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| Other than temporary impairment loss on investments |
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6,050
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0
|
$ 0
|
| Equity in net earnings of affiliated companies |
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(1,293)
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$ (9,185)
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(80,205)
|
| Stockholders' equity, Reverse stock split |
one-for-ten reverse stock split
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| Navios Partners |
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| Schedule Of Equity Method Investments [Line Items] |
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| Partners capital account units acquisitions |
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7,775
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27,960
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29,888
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| Partners capital account acquisitions |
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$ 5,000
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| Payments to acquire investment |
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|
$ 8
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$ 714
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$ 64
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$ 27
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| Equity in net earnings of affiliated companies |
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$ 0
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$ 1,842
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1,828
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| Navios Partners |
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| Schedule Of Equity Method Investments [Line Items] |
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| Private placement of units to directors and/or officers |
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380,952
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1,370,044
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1,464,494
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| Number of shares issued-common stock |
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18,422,000
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| Stockholders' equity, Reverse stock split |
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1-for-15 reverse stock split
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| Navios Acquisition |
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| Schedule Of Equity Method Investments [Line Items] |
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| Stockholders' equity, Reverse stock split |
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one-for-15 reverse stock spilt
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| Navios Holdings | Navios Partners |
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| Schedule Of Equity Method Investments [Line Items] |
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| General partner interest of Navios Holdings |
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|
2.00%
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2.00%
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2.00%
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2.00%
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2.00%
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| Navios Partners |
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| Schedule Of Equity Method Investments [Line Items] |
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| Common units held by Navios Holdings |
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2,070,216
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| Ownership percentage of Navios Holdings |
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17.90%
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| Difference between carrying amount of investment and underlying equity in net assets of equity method investee |
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$ 77,904
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$ 101,492
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| Investments in affiliate companies |
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39,133
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35,116
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| Other than temporary impairment loss on investments |
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|
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0
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0
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55,524
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| Equity in net earnings of affiliated companies |
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5,466
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13,526
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16,171
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| Dividends received |
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1,449
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2,692
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2,068
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| Market value of the investment |
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$ 23,186
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| Acropolis |
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| Schedule Of Equity Method Investments [Line Items] |
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| Ownership percentage of Navios Holdings |
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35.00%
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| Cash consideration from sale of investments |
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$ 1,000
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| Gain on sale of investments |
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$ 866
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| Procceds from sale of investments |
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500
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500
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| Ownership Interest |
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50.00%
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| Profit Sharing Arrangement |
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Navios Holdings, until the sale of its investment, had a 50% interest in Acropolis. Although Navios Holdings owned 50% of Acropolis’ stock, Navios Holdings agreed with the other shareholder that the earnings and amounts declared by way of dividends would be allocated 35% to the Company with the balance to the other shareholder.
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| Dividends received |
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$ 0
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0
|
170
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| Navios Acquisition |
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| Schedule Of Equity Method Investments [Line Items] |
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| Ownership percentage of Navios Holdings |
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29.50%
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| Difference between carrying amount of investment and underlying equity in net assets of equity method investee |
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$ 68,793
|
79,477
|
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| Investments in affiliate companies |
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15,033
|
19,894
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| Other than temporary impairment loss on investments |
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|
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13,368
|
13,543
|
0
|
| Equity in net earnings of affiliated companies |
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|
|
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13,129
|
(11,098)
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(43,378)
|
| Dividends received |
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|
|
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|
5,838
|
$ 4,379
|
$ 5,838
|
| Market value of the investment |
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$ 15,033
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| Share Repurchase Program | Navios Partners |
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| Schedule Of Equity Method Investments [Line Items] |
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| Share repurchase program, Authorized amount |
|
$ 50,000
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| Share repurchase program, Period in force |
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2 years
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| Number of shares repurchased |
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4,694,279
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| Share Repurchase Program | Navios Acquisition |
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| Schedule Of Equity Method Investments [Line Items] |
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| Share repurchase program, Authorized amount |
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$ 25,000
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| Share repurchase program, Period in force |
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2 years
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| Number of shares repurchased |
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735,251
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