Leases - Navios Holdings Lease Expenses (Table) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Operating Leased Assets [Line Items]      
Lease expenses $ 126,719 $ 134,772 $ 131,048
Charter-in contracts      
Operating Leased Assets [Line Items]      
Lease expenses 123,666 131,552 128,097
Land lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 552 344 303
Office lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 2,501 2,876 2,648
Dry Bulk Vessel Operations      
Operating Leased Assets [Line Items]      
Lease expenses 121,626 133,612 128,504
Dry Bulk Vessel Operations | Charter-in contracts      
Operating Leased Assets [Line Items]      
Lease expenses 119,801 131,438 126,533
Dry Bulk Vessel Operations | Office lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 1,825 2,174 1,971
Logistic Business      
Operating Leased Assets [Line Items]      
Lease expenses 5,093 1,160 2,544
Logistic Business | Charter-in contracts      
Operating Leased Assets [Line Items]      
Lease expenses 3,865 114 1,564
Logistic Business | Land lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses 552 344 303
Logistic Business | Office lease agreements      
Operating Leased Assets [Line Items]      
Lease expenses $ 676 $ 702 $ 677