Leases - Navios Holdings Lease Expenses (Table) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Operating Leased Assets [Line Items]      
Lease expenses $ 102,296 $ 124,480 $ 134,772
Charter-in contracts      
Operating Leased Assets [Line Items]      
Lease expenses 101,132 121,427 131,552
Land lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 564 552 344
Office lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 600 2,501 2,876
Dry Bulk Vessel Operations      
Operating Leased Assets [Line Items]      
Lease expenses 94,545 119,387 133,612
Dry Bulk Vessel Operations | Charter-in contracts      
Operating Leased Assets [Line Items]      
Lease expenses 94,545 117,562 131,438
Dry Bulk Vessel Operations | Office lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 0 1,825 2,174
Logistic Business      
Operating Leased Assets [Line Items]      
Lease expenses 7,751 5,093 1,160
Logistic Business | Charter-in contracts      
Operating Leased Assets [Line Items]      
Lease expenses 6,587 3,865 114
Logistic Business | Land lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 564 552 344
Logistic Business | Office lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses $ 600 $ 676 $ 702