Leases - Navios Holdings Lease Expenses (Table) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Operating Leased Assets [Line Items]        
Lease expenses $ 30,143 $ 33,702 $ 62,473 $ 64,732
Charter-in contracts        
Operating Leased Assets [Line Items]        
Lease expenses 29,182 32,884 60,398 63,134
Land lease agreements        
Operating Leased Assets [Line Items]        
Lease expenses 135 78 271 153
Office lease agreements        
Operating Leased Assets [Line Items]        
Lease expenses 826 740 1,804 1,445
Drybulk Vessel Operations        
Operating Leased Assets [Line Items]        
Lease expenses 29,842 33,447 61,862 64,228
Drybulk Vessel Operations | Charter-in contracts        
Operating Leased Assets [Line Items]        
Lease expenses 29,182 32,884 60,398 63,134
Drybulk Vessel Operations | Office lease agreements        
Operating Leased Assets [Line Items]        
Lease expenses 660 563 1,464 1,094
Logistics Business        
Operating Leased Assets [Line Items]        
Lease expenses 301 255 611 504
Logistics Business | Land lease agreements        
Operating Leased Assets [Line Items]        
Lease expenses 135 78 271 153
Logistics Business | Office lease agreements        
Operating Leased Assets [Line Items]        
Lease expenses $ 166 $ 177 $ 340 $ 351