Commitments - Navios Holdings Future Minimum Commitments for Chartered-In Vessels, Barges and Pushboats (Table) (Details)
$ in Thousands
Jun. 30, 2018
USD ($)
Charter-in Vessels, barges and pushboats in operation  
Operating Leased Assets [Line Items]  
June 30, 2019 $ 119,315
June 30, 2020 104,243
June 30, 2021 78,832
June 30, 2022 54,222
June 30, 2023 39,072
June 30, 2024 and thereafter 59,035
Total 454,719
Charter-in vessels to be delivered  
Operating Leased Assets [Line Items]  
June 30, 2019 4,306
June 30, 2020 13,693
June 30, 2021 17,156
June 30, 2022 16,944
June 30, 2023 16,706
June 30, 2024 and thereafter 53,440
Total $ 122,245