Fair Value of Financial Instruments - Assets measured at Fair Value on a Non-Recurring Basis (Table) (Details) - Fair Value Measurements, Nonrecurring - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Vessels, port terminals and other fixed assets, net $ 13,747 $ 62,397
Operating lease assets   89,945
Total 13,747 152,342
Quoted Prices in Active Markets for Identical Assets (Level I)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Vessels, port terminals and other fixed assets, net 13,747 7,497
Total $ 13,747 7,497
Significant Other Observable Inputs (Level II)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Vessels, port terminals and other fixed assets, net   54,900
Operating lease assets   89,945
Total   $ 144,845