Other (Expense)/Income, net (Details) - USD ($)
$ in Thousands
2 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2017
Mar. 31, 2016
Jun. 30, 2017
Jun. 30, 2016
Jul. 13, 2017
Schedule Of Equity Method Investments [Line Items]          
Vessel sale price         $ 6,548
Formosa and San Lorenzo | Navios Logistics          
Schedule Of Equity Method Investments [Line Items]          
Vessel sale price $ 1,109        
Gain on sale of assets $ 1,030        
Early redelivery of vessel          
Schedule Of Equity Method Investments [Line Items]          
Cash payment for early redelivery   $ 13,000      
Other non-operating income   14,871      
Early redelivery claims payable          
Schedule Of Equity Method Investments [Line Items]          
Other Income   $ 1,871      
Other expense | Navios Logistics          
Schedule Of Equity Method Investments [Line Items]          
Other (expense)/income, net - taxes other than income taxes     $ 4,427 $ 4,735