Intangible Assets/Liabilities Other Than Goodwill - Additional Details (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2018 |
|
| Intangible asset | $ 116,422 | $ 138,937 |
| Favorable lease terms | ||
| Intangible asset | 1,150 | |
| Acquisition cost | 10,398 | 1,150 |
| Accumulated amortization | 7,001 | |
| Gain / (loss) resulting from favorable lease terms written off | $ (3,397) | |
| Navios Containers | Favorable lease terms | ||
| Intangible asset | $ 31,342 |