Fair Value of Financial Instruments - Assets measured at Fair Value on a Non-Recurring Basis (Table) (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Vessels, port terminals and other fixed assets, net | $ 38,054 | $ 62,397 |
| Operating lease assets | 10,018 | 89,945 |
| Total | 48,072 | 152,342 |
| Quoted Prices in Active Markets for Identical Assets (Level I) | ||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Vessels, port terminals and other fixed assets, net | 6,644 | 7,497 |
| Total | 6,644 | 7,497 |
| Significant Other Observable Inputs (Level II) | ||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Vessels, port terminals and other fixed assets, net | 31,410 | 54,900 |
| Operating lease assets | 10,018 | 89,945 |
| Total | $ 41,428 | $ 144,845 |