Leases - Lease Expenses (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]      
Lease expenses $ 79,889 $ 102,296 $ 124,480
Charter-in contracts [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 79,011 101,132 121,427
Land lease agreements [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 571 564 552
Office lease agreements [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 307 600 2,501
Dry Bulk Vessel Operations [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 73,124 94,545 119,387
Dry Bulk Vessel Operations [Member] | Charter-in contracts [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 73,124 94,545 117,562
Dry Bulk Vessel Operations [Member] | Land lease agreements [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 0 0 0
Dry Bulk Vessel Operations [Member] | Office lease agreements [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 0 0 1,825
Logistics Business [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 6,765 7,751 5,093
Logistics Business [Member] | Charter-in contracts [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 5,887 6,587 3,865
Logistics Business [Member] | Land lease agreements [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses 571 564 552
Logistics Business [Member] | Office lease agreements [Member]      
Property, Plant and Equipment [Line Items]      
Lease expenses $ 307 $ 600 $ 676