Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Navios Partners | |||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Loss on investments in Navios Partners | $ 0 | $ 55,524 | $ 0 |
| Three vessels | |||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Impairment loss | 92,013 | ||
| Chartered-in vessels | |||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Impairment loss | $ 38,636 | ||
| Four vessels | |||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Impairment loss | $ 179,186 | ||