Vessels, Port Terminals and Other Fixed Assets, Net (Table) (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2015
USD ($)
Property Plant And Equipment [Line Items]  
Balance December 31, 2014 $ 1,911,143
Balance June 30, 2015 1,869,694
Cost  
Property Plant And Equipment [Line Items]  
Balance December 31, 2014 2,425,931
Additions 5,788
Restructure of capital lease (210)
Balance June 30, 2015 2,431,509
Accumulated Depreciation  
Property Plant And Equipment [Line Items]  
Balance December 31, 2014 (514,788)
Additions (47,027)
Balance June 30, 2015 (561,815)
Net Book Value  
Property Plant And Equipment [Line Items]  
Balance December 31, 2014 1,911,143
Additions (41,239)
Restructure of capital lease (210)
Balance June 30, 2015 $ 1,869,694