Intangible Assets Other Than Goodwill - Additional Details (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Intangible asset $ 123,370   $ 123,370   $ 126,815
Amortization of intangible assets (1,725) $ (2,922) (3,445)    
Amortization of intangible assets       $ 1,546  
Payments for construction in progress     25,972 $ 44,628  
Favorable lease terms          
Intangible asset 1,180   1,180   1,180
Acquisition cost         70,937
Accumulated amortization         57,930
Gain / (loss) resulting from favorable or unfavorable lease terms written off         13,007
Unfavorable lease terms          
Unfavorable lease terms $ 0   0   0
Acquisition cost         24,721
Accumulated amortization         17,406
Gain / (loss) resulting from favorable or unfavorable lease terms written off         $ 7,315
Navios Logistics | Expansion of dry port facility          
Payments for construction in progress     $ 17,000