Segment Information (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]      
Revenue $ 482,449 $ 505,686 $ 463,049
Administrative fee revenue from affiliates 16,991 28,393 23,667
Interest expense and finance cost (133,479) (137,916) (121,611)
Depreciation and amortization (81,723) (99,779) (104,112)
Equity in net (losses)/earnings of affiliated companies (9,185) (80,205) 4,399
Net (loss)/ income attributable to Navios Holdings common stockholders (192,110) (268,718) (165,910)
Total assets 2,142,855 2,682,496  
Goodwill 160,336 160,336 160,336
Investment in affiliates 64,352 91,111  
Cash and cash equivalents 77,991 137,882  
Restricted cash 736 12,892  
Total      
Segment Reporting Information [Line Items]      
Revenue 482,449 517,739 463,049
Administrative fee revenue from affiliates 16,991 28,393 23,667
Interest income 10,662 8,748 6,831
Interest expense and finance cost (133,479) (139,120) (121,611)
Depreciation and amortization (81,723) (102,839) (104,112)
Equity in net (losses)/earnings of affiliated companies (9,185) (80,205) 4,399
Net (loss)/ income attributable to Navios Holdings common stockholders (192,110) (268,718) (165,910)
Total assets 2,142,855 2,682,496 2,629,981
Goodwill 160,336 160,336 160,336
Capital expenditures (44,571) (85,645) (49,592)
Investment in affiliates 64,352 91,111 183,160
Cash and cash equivalents 77,991 137,882 127,632
Restricted cash 736 12,892 6,558
Long-term debt, net (including current and noncurrent portion) 1,563,247 1,816,007 1,682,488
Dry Bulk Vessel Operations      
Segment Reporting Information [Line Items]      
Revenue 254,178 298,052 250,433
Administrative fee revenue from affiliates 16,991 28,972 23,667
Interest income 9,610 8,231 6,593
Interest expense and finance cost (92,948) (98,247) (93,264)
Depreciation and amortization (52,288) (70,472) (77,245)
Equity in net (losses)/earnings of affiliated companies (9,185) (80,205) 4,399
Net (loss)/ income attributable to Navios Holdings common stockholders (212,623) (273,125) (167,892)
Total assets 1,511,517 1,558,581 1,947,777
Goodwill 56,240 56,240 56,240
Capital expenditures (36,628) (41,003) (3,071)
Investment in affiliates 64,352 91,111 183,160
Cash and cash equivalents 32,386 44,452 47,744
Restricted cash 736 10,958 6,558
Long-term debt, net (including current and noncurrent portion) 1,048,318 1,063,762 1,149,742
Logistics Business      
Segment Reporting Information [Line Items]      
Revenue 228,271 207,634 212,616
Administrative fee revenue from affiliates 0 0 0
Interest income 1,052 517 238
Interest expense and finance cost (40,531) (39,669) (28,347)
Depreciation and amortization (29,435) (29,307) (26,867)
Equity in net (losses)/earnings of affiliated companies 0 0 0
Net (loss)/ income attributable to Navios Holdings common stockholders 20,513 4,380 1,982
Total assets 631,338 677,343 682,204
Goodwill 104,096 104,096 104,096
Capital expenditures (7,943) (19,879) (46,521)
Investment in affiliates 0 0 0
Cash and cash equivalents 45,605 76,472 79,888
Restricted cash 0 0 0
Long-term debt, net (including current and noncurrent portion) $ 514,929 530,186 $ 532,746
Containers Business      
Segment Reporting Information [Line Items]      
Revenue   12,053  
Administrative fee revenue from affiliates   (579)  
Interest income   0  
Interest expense and finance cost   (1,204)  
Depreciation and amortization   (3,060)  
Equity in net (losses)/earnings of affiliated companies   0  
Net (loss)/ income attributable to Navios Holdings common stockholders   27  
Total assets   446,572  
Goodwill   0  
Capital expenditures   (24,763)  
Investment in affiliates   0  
Cash and cash equivalents   16,958  
Restricted cash   1,934  
Long-term debt, net (including current and noncurrent portion)   $ 222,059