Vessels, Port Terminal and Other Fixed Assets, Net (Table) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property Plant And Equipment [Line Items]      
Balance $ 1,911,143    
Additions (86,972)    
Transfers / Restructure of capital lease (210) $ 0 $ 0
Balance 1,823,961 1,911,143  
Cost      
Property Plant And Equipment [Line Items]      
Balance 2,425,931 2,201,955 2,078,907
Additions 8,918 224,184 123,070
Transfers / Restructure of capital lease (210)    
Write-off   (208) (22)
Balance 2,434,639 2,425,931 2,201,955
Accumulated Depreciation      
Property Plant And Equipment [Line Items]      
Balance (514,788) (424,498) (340,948)
Additions (95,890) (90,451) (83,572)
Write-off   161 22
Balance (610,678) (514,788) (424,498)
Net Book Value      
Property Plant And Equipment [Line Items]      
Balance 1,911,143 1,777,457 1,737,959
Additions   133,733 39,498
Additions (86,972)    
Transfers / Restructure of capital lease (210)    
Write-off   (47)  
Balance 1,823,961 1,911,143 1,777,457
Vessels | Cost      
Property Plant And Equipment [Line Items]      
Balance 1,841,140 1,717,599 1,631,900
Additions   123,541 85,699
Balance 1,841,140 1,841,140 1,717,599
Vessels | Accumulated Depreciation      
Property Plant And Equipment [Line Items]      
Balance (376,794) (308,461) (245,174)
Additions (70,894) (68,333) (63,287)
Balance (447,688) (376,794) (308,461)
Vessels | Net Book Value      
Property Plant And Equipment [Line Items]      
Balance 1,464,346 1,409,138 1,386,726
Additions   55,208 22,412
Additions (70,894)    
Balance 1,393,452 1,464,346 1,409,138
Port Terminals (Navios Logistics) | Cost      
Property Plant And Equipment [Line Items]      
Balance 106,399 103,030 78,489
Additions 2,287 3,369 24,563
Disposals     (22)
Balance 108,686 106,399 103,030
Port Terminals (Navios Logistics) | Accumulated Depreciation      
Property Plant And Equipment [Line Items]      
Balance (20,467) (17,082) (14,251)
Additions   (3,385)  
Additions (3,431)   (2,853)
Disposals     22
Balance (23,898) (20,467) (17,082)
Port Terminals (Navios Logistics) | Net Book Value      
Property Plant And Equipment [Line Items]      
Balance 85,932 85,948 64,238
Additions     21,710
Additions (1,144) (16)  
Balance 84,788 85,932 85,948
Tanker vessels, barges and push boats (Navios Logistics) | Cost      
Property Plant And Equipment [Line Items]      
Balance 464,966 368,626 355,625
Additions 6,188 96,387 9,971
Transfers / Restructure of capital lease (210)   3,030
Write-off   (47)  
Balance 470,944 464,966 368,626
Tanker vessels, barges and push boats (Navios Logistics) | Accumulated Depreciation      
Property Plant And Equipment [Line Items]      
Balance (111,137) (93,782) (77,398)
Additions (20,007) (17,355) (16,384)
Balance (131,144) (111,137) (93,782)
Tanker vessels, barges and push boats (Navios Logistics) | Net Book Value      
Property Plant And Equipment [Line Items]      
Balance 353,829 274,844 278,227
Additions   79,032  
Additions (13,819)   (6,413)
Transfers / Restructure of capital lease (210)   3,030
Write-off   (47)  
Balance 339,800 353,829 274,844
Other fixed assets | Cost      
Property Plant And Equipment [Line Items]      
Balance 13,426 12,700 12,893
Additions 443 887 2,837
Transfers / Restructure of capital lease     (3,030)
Write-off   (161)  
Balance 13,869 13,426 12,700
Other fixed assets | Accumulated Depreciation      
Property Plant And Equipment [Line Items]      
Balance (6,390) (5,173) (4,125)
Additions (1,558) (1,378) (1,048)
Write-off   161  
Balance (7,948) (6,390) (5,173)
Other fixed assets | Net Book Value      
Property Plant And Equipment [Line Items]      
Balance 7,036 7,527 8,768
Additions     1,789
Additions (1,115) (491)  
Transfers / Restructure of capital lease     (3,030)
Balance $ 5,921 $ 7,036 $ 7,527