Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands |
6 Months Ended |
7 Months Ended |
8 Months Ended |
12 Months Ended |
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Jun. 30, 2021 |
Jul. 23, 2021 |
Aug. 31, 2021 |
Dec. 31, 2020 |
Sep. 03, 2021 |
Mar. 31, 2021 |
Jun. 30, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Assets, Current |
$ 206,295
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$ 194,857
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| Liabilities Current Excluding Operating Lease Liability |
738,929
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| Working capital deficit |
532,634
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| Long-term Debt, Current Maturities |
614,939
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374,191
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| Long-term Debt, Gross |
$ 1,500,066
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$ 1,612,718
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| Navios Partners [Member] |
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| Ownership percentage of Navios Holdings |
9.70%
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| Navios Acquisition [Member] |
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| Ownership percentage of Navios Holdings |
28.00%
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| Ownership percentage of Navios Holdings |
28.00%
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| Navios Containers [Member] |
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| Ownership percentage of Navios Holdings |
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3.90%
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| Ownership percentage of Navios Holdings |
0.00%
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3.90%
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| Navios Europe II [Member] |
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| Ownership percentage of Navios Holdings |
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47.50%
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| Navios Logistics Subsidiary [Member] |
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| Ownership percentage of Navios Holdings |
63.80%
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| 2022 Senior Secured Notes [Member] |
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| Long-term Debt, Current Maturities |
$ 83,259
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| Debt Instrument, Interest Rate, Stated Percentage |
11.25%
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| Debt Instrument, Repurchased Face Amount |
|
$ 100,000
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$ 20,000
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| Notes Payable |
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$ 185,000
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| 2022 Notes [Member] |
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| Long-term Debt, Current Maturities |
$ 462,466
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| Debt Instrument, Interest Rate, Stated Percentage |
7.375%
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| Long-term Debt, Gross |
$ 462,466
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$ 455,466
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| 2022 Notes [Member] |
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| Debt Instrument, Interest Rate, Stated Percentage |
7.375%
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| Debt Instrument, Repurchased Face Amount |
$ 14,356
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|
7,000
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$ 20,782
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$ 81,235
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$ 35,661
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| 2022 Notes [Member] | Subsequent Event [Member] |
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| Extinguishment of Debt, Amount |
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$ 7,000
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| $115.0 million NSM Loan [Member] |
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| Proceeds from Lines of Credit |
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$ 75,264
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