Vessels, Port Terminals and Other Fixed Assets, Net (Table) (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2016
USD ($)
Property Plant And Equipment [Line Items]  
Balance $ 1,823,961
Additions 44,707
Balance 1,868,668
Cost  
Property Plant And Equipment [Line Items]  
Balance 2,434,639
Additions 93,211
Balance 2,527,850
Accumulated Depreciation  
Property Plant And Equipment [Line Items]  
Balance (610,678)
Additions (48,504)
Balance (659,182)
Net Book Value  
Property Plant And Equipment [Line Items]  
Balance 1,823,961
Additions 44,707
Balance $ 1,868,668