Segment Information (Table) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Segment Reporting Information [Line Items]          
Revenue $ 97,127 $ 113,511 $ 188,210 $ 221,959  
Administrative fee revenue from affiliates 0 6,318 0 12,782  
Interest expense and finance cost, net (31,418) (30,163) (63,061) (61,007)  
Depreciation and amortization (18,012) (20,755) (36,088) (41,980)  
Equity in net losses of affiliated companies 9,445 (16,779) 3,308 (12,502)  
Net (loss)/ income attributable to Navios Holdings common stockholders (35,271) (36,431) (88,546) (41,735)  
Total assets 2,115,924 2,451,909 2,115,924 2,451,909 $ 2,142,855
Goodwill 160,336 160,336 160,336 160,336 160,336
Capital expenditures (101,250) (7,292) (101,250) (15,192)  
Investment in affiliates 63,498 72,512 63,498 72,512 64,352
Cash and cash equivalents 54,014 95,489 54,014 95,489 77,991
Restricted cash 1,058 9,732 1,058 9,732 $ 736
Long-term debt, net (including current and non-current portion) 1,591,781 1,523,131 1,591,781 1,523,131  
Dry Bulk Vessel Operations          
Segment Reporting Information [Line Items]          
Revenue 38,302 52,900 72,562 105,582  
Administrative fee revenue from affiliates   6,318   12,782  
Interest expense and finance cost, net (22,159) (20,330) (44,529) (41,336)  
Depreciation and amortization (10,745) (13,445) (21,543) (27,324)  
Equity in net losses of affiliated companies 9,445 (16,779) 3,308 (12,502)  
Net (loss)/ income attributable to Navios Holdings common stockholders (42,918) (42,620) (100,690) (51,309)  
Total assets 1,500,046 1,779,519 1,500,046 1,779,519  
Goodwill 56,240 56,240 56,240 56,240  
Capital expenditures (98,672) (6,805) (98,672) (13,970)  
Investment in affiliates 63,498 72,512 63,498 72,512  
Cash and cash equivalents 20,525 26,693 20,525 26,693  
Restricted cash 1,058 9,732 1,058 9,732  
Long-term debt, net (including current and non-current portion) 1,082,032 999,347 1,082,032 999,347  
Logistics Business          
Segment Reporting Information [Line Items]          
Revenue 58,825 60,611 115,648 116,377  
Interest expense and finance cost, net (9,259) (9,833) (18,532) (19,671)  
Depreciation and amortization (7,267) (7,310) (14,545) (14,656)  
Net (loss)/ income attributable to Navios Holdings common stockholders 7,647 6,189 12,144 9,574  
Total assets 615,878 672,390 615,878 672,390  
Goodwill 104,096 104,096 104,096 104,096  
Capital expenditures (2,578) (487) (2,578) (1,222)  
Cash and cash equivalents 33,489 68,796 33,489 68,796  
Long-term debt, net (including current and non-current portion) $ 509,749 $ 523,784 $ 509,749 $ 523,784