Segment Information - Summarized financial information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Segment Reporting Information [Line Items]          
Revenue $ 159,221 $ 143,624 $ 287,011 $ 260,575  
Interest expense and finance cost, net (35,343) (36,170) (72,908) (72,370)  
Depreciation and amortization (14,766) (15,988) (29,144) (32,254)  
Equity in net earnings of affiliate companies 13,160 12,854 22,958 40,594  
Net income/ (loss) attributable to Navios Holdings common stockholders 44,960 24,936 39,960 25,099  
Total assets 1,728,332   1,728,332   $ 1,808,778
Goodwill 160,336   160,336   160,336
Investment in affiliate companies 148,384   148,384   125,744
Cash and cash equivalents 46,220   46,220   53,591
Restricted cash 8,726   8,726   $ 84,260
Long-term debt, net (including current and noncurrent portion) 1,291,431   1,291,431    
Dry bulk vessels [Member]          
Segment Reporting Information [Line Items]          
Revenue 90,036 86,053 158,672 149,781  
Interest expense and finance cost, net (19,893) (21,011) (42,114) (42,855)  
Depreciation and amortization (6,640) (7,917) (13,072) (16,714)  
Equity in net earnings of affiliate companies 13,160 12,854 22,958 40,594  
Net income/ (loss) attributable to Navios Holdings common stockholders 40,870 27,795 36,099 27,694  
Total assets 1,115,201 1,156,441 1,115,201 1,156,441  
Goodwill 56,240 56,240 56,240 56,240  
Capital expenditures (2,000) (22,758) (3,578) (24,152)  
Investment in affiliate companies 148,384 97,351 148,384 97,351  
Cash and cash equivalents 8,578 25,689 8,578 25,689  
Restricted cash 8,726 10 8,726 10  
Long-term debt, net (including current and noncurrent portion) 679,569 927,399 679,569 927,399  
Logistics Business [Member]          
Segment Reporting Information [Line Items]          
Revenue 69,185 57,571 128,339 110,794  
Interest expense and finance cost, net (15,450) (15,159) (30,794) (29,515)  
Depreciation and amortization (8,126) (8,071) (16,072) (15,540)  
Equity in net earnings of affiliate companies 0 0 0 0  
Net income/ (loss) attributable to Navios Holdings common stockholders 4,090 (2,859) 3,861 (2,595)  
Total assets 613,131 672,652 613,131 672,652  
Goodwill 104,096 104,096 104,096 104,096  
Capital expenditures (988) (3,646) (2,709) (22,033)  
Investment in affiliate companies 0 0 0 0  
Cash and cash equivalents 37,642 47,470 37,642 47,470  
Restricted cash 0 0 0 0  
Long-term debt, net (including current and noncurrent portion) 544,683 549,054 544,683 549,054  
Total [Member]          
Segment Reporting Information [Line Items]          
Revenue 159,221 143,624 287,011 260,575  
Interest expense and finance cost, net (35,343) (36,170) (72,908) (72,370)  
Depreciation and amortization (14,766) (15,988) (29,144) (32,254)  
Equity in net earnings of affiliate companies 13,160 12,854 22,958 40,594  
Net income/ (loss) attributable to Navios Holdings common stockholders 44,960 24,936 39,960 25,099  
Total assets 1,728,332 1,829,093 1,728,332 1,829,093  
Goodwill 160,336 160,336 160,336 160,336  
Capital expenditures (2,988) (26,404) (6,287) (46,185)  
Investment in affiliate companies 148,384 97,351 148,384 97,351  
Cash and cash equivalents 46,220 73,159 46,220 73,159  
Restricted cash 8,726 10 8,726 10  
Long-term debt, net (including current and noncurrent portion) $ 1,224,252 $ 1,476,453 $ 1,224,252 $ 1,476,453