Intangible Assets/Liabilities Other Than Goodwill - Amortization Expense (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Trade name      
Acquired Finite Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs $ 2,811 $ 3,853 $ 3,902
Port terminal operating rights      
Acquired Finite Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs 950 727 706
Customer relationships      
Acquired Finite Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs 1,774 1,775 1,775
Favorable lease terms      
Acquired Finite Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs 2,143 4,038 17,260
Unfavorable lease terms      
Acquired Finite Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs 0 0 (7,526)
Total      
Acquired Finite Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs $ 7,678 $ 10,393 $ 16,117