Intangible Assets other than Goodwill - Amortization Expense and Write Offs (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Trade Names [Member]      
Finite-Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs $ 2,810 $ 2,818 $ 2,811
Port operating terminal rights [Member]      
Finite-Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs 998 998 999
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs 1,774 1,775 1,774
Total [Member]      
Finite-Lived Intangible Assets [Line Items]      
Amortization Expense and Write Offs $ 5,582 $ 5,591 $ 5,584