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Intangible Assets (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
May 25, 2017
USD ($)
Acceleration of amortization of intangible asset   $ 20,526  
Finite lived intangible assets amortization method straight line    
Intangible assets, Residual value $ 0    
Weighted average useful life for favorable lease terms chartered out 7 years 10 months 24 days    
Time charters additions at historical cost $ 27,457    
Navios Luz and Navios Buena Ventura | Favorable lease intangibles      
Acceleration of amortization of intangible asset   $ 20,526  
Navios Containers Vessels      
Number of vessels acquired     5
Time charter contracts, Fair value     $ 27,457