Sale of Management & Consolidation/Deconsolidation of Navios Containers (Details) - USD ($)
$ / shares in Units, $ in Thousands |
8 Months Ended |
11 Months Ended |
12 Months Ended |
|
Aug. 30, 2019 |
Nov. 30, 2018 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Subsidiary or Equity Method Investee [Line Items] |
|
|
|
|
|
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| Common stock shares outstanding |
|
|
15,881,147
|
13,360,356
|
12,843,414
|
12,038,647
|
| Proceeds from Divestiture of Businesses |
|
|
$ 0
|
$ 3,000
|
$ 0
|
|
| The Transaction | NSM |
|
|
|
|
|
|
| Subsidiary or Equity Method Investee [Line Items] |
|
|
|
|
|
|
| Proceeds from Divestiture of Businesses |
$ 20,000
|
|
|
|
|
|
| Navios Containers |
|
|
|
|
|
|
| Subsidiary or Equity Method Investee [Line Items] |
|
|
|
|
|
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| Common stock shares outstanding |
1,263,276
|
|
|
|
|
|
| Closing price of the common stock |
$ 2
|
|
|
|
|
|
| Gain/ (loss) on revaluation of retained investment |
$ (3,742)
|
|
|
|
|
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| Fair value of investment |
2,527
|
|
|
|
|
|
| Difference between carrying amount of investment and underlying equity in net assets of equity method investee |
$ 57,999
|
|
|
|
|
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| Discount rate |
|
|
|
|
|
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| Subsidiary or Equity Method Investee [Line Items] |
|
|
|
|
|
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| Weighted average cost of capital |
|
0.0895
|
|
|
|
|
| Navios Containers |
|
|
|
|
|
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| Subsidiary or Equity Method Investee [Line Items] |
|
|
|
|
|
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| Date of conversion into a limited partnership |
|
|
Nov. 30, 2018
|
|
|
|
| Common stock shares outstanding |
|
34,603,100
|
|
|
|
|
| Closing price of the common stock |
|
$ 4.96
|
|
|
|
|
| Ownership by Noncontrolling interest |
|
96.30%
|
|
|
|
|
| Cash and restricted cash |
|
$ 24,400
|
|
|
|
|
| Navios Containers |
|
|
|
|
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| Subsidiary or Equity Method Investee [Line Items] |
|
|
|
|
|
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| Interest percentage of Navios Holdings |
|
3.70%
|
|
|
|
|
| Carrying value of Navios Holdings' interest |
|
$ 6,078
|
|
|
|
|
| Gain on obtaining control |
|
$ 191
|
|
|
|
|