Investment in affiliates and available-for-sale securities - Navios Containers (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Investments In And Advances To Affiliates [Line Items] | ||||
| Equity in net (losses)/ earnings of affiliated companies | $ (16,779) | $ (3,025) | $ (12,502) | $ (9,489) |
| Navios Containers | ||||
| Investments In And Advances To Affiliates [Line Items] | ||||
| Equity in net (losses)/ earnings of affiliated companies | $ 142 | $ 244 | ||