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 |
4 Months Ended |
5 Months Ended |
11 Months Ended |
12 Months Ended |
Feb. 28, 2019 |
Mar. 13, 2018 |
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2019 |
Jun. 08, 2017 |
Dec. 03, 2018 |
Nov. 30, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Investments In And Advances To Affiliates [Line Items] |
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| Equity in net (losses)/earnings of affiliated companies |
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$ (9,185)
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$ (80,205)
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$ 4,399
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| Investments in affiliates |
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$ 64,352
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$ 64,352
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$ 91,111
|
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| Navios Containers |
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| Investments In And Advances To Affiliates [Line Items] |
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| Investments on the equity |
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$ 500
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$ 5,000
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| Ownership percentage of Navios Holdings |
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3.70%
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| Equity in net (losses)/earnings of affiliated companies |
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|
155
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$ 417
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$ 161
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| Investments in affiliates |
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2,682
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$ 2,682
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| Market value of the investment |
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$ 2,716
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$ 2,716
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| Navios Containers |
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| Investments In And Advances To Affiliates [Line Items] |
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| Ownership interest |
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96.30%
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| Date of conversion into a limited partnership |
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Nov. 30, 2018
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| Warrants | Navios Containers |
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| Investments In And Advances To Affiliates [Line Items] |
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| Ownership interest |
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1.70%
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| Navios Partners |
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| Investments In And Advances To Affiliates [Line Items] |
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| Partners' Capital Account, Units, Sold in Private Placement |
380,952
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1,370,044
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2,040,000
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1,464,494
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| Navios Partners | Navios Containers |
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| Investments In And Advances To Affiliates [Line Items] |
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| Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase Of Interest By Parent |
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$ 30,000
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| Navios Partners | Navios Containers |
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| Investments In And Advances To Affiliates [Line Items] |
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| Percentage of partners' capital |
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2.50%
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| Navios Partners | Warrants | Navios Containers |
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| Investments In And Advances To Affiliates [Line Items] |
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| Ownership percentage |
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6.80%
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| Navios Containers | Common units |
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| Investments In And Advances To Affiliates [Line Items] |
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| Partners' Capital Account, Units, Sold in Private Placement |
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10,057,645
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| Price per share offered |
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$ 5
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| Proceeds from Issuance of Private Placement |
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$ 50,288
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