Intangible Assets/Liabilities Other Than Goodwill - Additional Details (Details) - USD ($)
$ in Thousands
11 Months Ended 12 Months Ended
Dec. 15, 2014
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Intangible asset   $ 116,422 $ 126,815    
Favorable lease terms          
Intangible asset   1,150 1,180    
Acquisition cost   10,398 70,937    
Accumulated amortization   7,001 57,930    
Gain / (loss) resulting from favorable lease terms written off   $ (3,397) (13,007)    
Unfavorable lease terms          
Unfavorable lease terms     0    
Acquisition cost     24,721    
Accumulated amortization     17,406    
Gain / (loss) resulting from favorable lease terms written off     $ 7,315    
Two Companies | Navios Logistics          
Date of acquisition   Dec. 15, 2014      
Total consideration $ 17,000        
Deferred Payment For Acquisition Intangible Assets       $ 6,800 $ 10,200