Segment Information (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]      
Revenue $ 416,718 $ 482,449 $ 505,686
Interest expense and finance cost (136,559) (133,479) (137,916)
Depreciation and amortization (71,015) (81,723) (99,779)
Equity in net (losses)/earnings of affiliated companies (1,293) (9,185) (80,205)
Net (loss)/ income attributable to Navios Holdings common stockholders (192,961) (192,110) (268,718)
Total assets 1,971,325 2,142,855  
Goodwill 160,336 160,336  
Investment in affiliates 56,988 64,352  
Cash and cash equivalents 94,881 77,991  
Restricted cash 16,303 736  
Total      
Segment Reporting Information [Line Items]      
Revenue 416,718 482,449 517,739
Administrative fee revenue from affiliate companies 0 16,991 28,393
Interest income 257 10,662 8,748
Interest expense and finance cost (136,559) (133,479) (139,120)
Depreciation and amortization (71,015) (81,723) (102,839)
Equity in net (losses)/earnings of affiliated companies (1,293) (9,185) (80,205)
Net (loss)/ income attributable to Navios Holdings common stockholders (192,961) (192,110) (268,718)
Total assets 1,971,325 2,142,855 2,682,496
Goodwill 160,336 160,336 160,336
Capital expenditures (107,509) (44,571) (85,645)
Investment in affiliates 56,988 64,352 91,111
Cash and cash equivalents 94,881 77,991 137,882
Restricted cash 16,303 736 12,892
Long-term debt, net (including current and noncurrent portion) 1,584,429 1,563,247 1,816,007
Dry Bulk Vessel Operations      
Segment Reporting Information [Line Items]      
Revenue 200,794 254,178 298,052
Administrative fee revenue from affiliate companies 0 16,991 28,972
Interest income 48 9,610 8,231
Interest expense and finance cost (88,237) (92,948) (98,247)
Depreciation and amortization (42,076) (52,288) (70,472)
Equity in net (losses)/earnings of affiliated companies (1,293) (9,185) (80,205)
Net (loss)/ income attributable to Navios Holdings common stockholders (192,207) (209,096) (273,125)
Total assets 1,316,936 1,511,517 1,558,581
Goodwill 56,240 56,240 56,240
Capital expenditures (99,068) (36,628) (41,003)
Investment in affiliates 56,988 64,352 91,111
Cash and cash equivalents 20,011 32,386 44,452
Restricted cash 16,303 736 10,958
Long-term debt, net (including current and noncurrent portion) 1,043,839 1,048,318 1,063,762
Logistics Business      
Segment Reporting Information [Line Items]      
Revenue 215,924 228,271 207,634
Interest income 209 1,052 517
Interest expense and finance cost (48,322) (40,531) (39,669)
Depreciation and amortization (28,939) (29,435) (29,307)
Net (loss)/ income attributable to Navios Holdings common stockholders (754) 16,986 4,380
Total assets 654,389 631,338 677,343
Goodwill 104,096 104,096 104,096
Capital expenditures (8,441) (7,943) (19,879)
Investment in affiliates 0 0 0
Cash and cash equivalents 74,870 45,605 76,472
Long-term debt, net (including current and noncurrent portion) $ 540,590 $ 514,929 530,186
Containers Business      
Segment Reporting Information [Line Items]      
Revenue     12,053
Administrative fee revenue from affiliate companies     (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