Borrowings - Senior and Ship Mortgage Notes Navios Holdings and Navios Logistics (Details) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 11 Months Ended 12 Months Ended
Jan. 28, 2011
Mar. 12, 2013
Apr. 12, 2011
Oct. 31, 2016
Apr. 22, 2014
Nov. 29, 2013
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]                  
Amount used for repayment of debt             $ 40,737    
Repurchase of senior notes             30,671 $ 0 $ 0
Gain/ (Loss) on bond and debt extinguishment             29,187 0 $ (27,281)
Senior Notes due 2019                  
Debt Instrument [Line Items]                  
Face amount at issuance date $ 350,000                
Issuance date/Date of agreement Jan. 28, 2011                
Fixed interest rate 8.125%                
Amount oustanding             291,094 350,000  
Redemption price percentage 104.063%                
Repurchase of notes       $ 58,906          
Repurchase of senior notes       30,671          
Gain/ (Loss) on bond and debt extinguishment       $ 27,670          
Senior Notes due 2019 | Upon occurrence of certain change of control events                  
Debt Instrument [Line Items]                  
Redemption price percentage 101.00%                
Senior Notes due 2019 | Navios Logistics                  
Debt Instrument [Line Items]                  
Face amount at issuance date   $ 90,000 $ 200,000            
Issuance date/Date of agreement   Mar. 12, 2013 Apr. 12, 2011            
Fixed interest rate   9.25% 9.25%            
Maturity date     Apr. 15, 2019            
Debt instrument price premium   103.75%              
Gain/ (Loss) on bond and debt extinguishment               (27,281)  
Senior Notes due 2019 | Navios Logistics | Accelerated amortization of the deferred finance costs                  
Debt Instrument [Line Items]                  
Loss relating to the accelerated amortization of unamortized deferred finance costs               (7,881)  
Senior Notes due 2019 | Navios Logistics | Accelerated amortization of the 2019 Senior Notes Premium                  
Debt Instrument [Line Items]                  
Gain / (Loss) relating to cash payments for transaction fees and expenses               3,095  
Senior Notes due 2019 | Navios Logistics | Transaction fees and expenses                  
Debt Instrument [Line Items]                  
Gain/ (Loss) on bond and debt extinguishment               (22,495)  
2022 Notes                  
Debt Instrument [Line Items]                  
Face amount at issuance date           $ 650,000      
Issuance date/Date of agreement           Nov. 29, 2013      
Fixed interest rate           7.375%      
Amount oustanding             $ 650,000 650,000  
Amount used for repayment of debt           $ 488,000      
2022 Notes | From issuance date to January 14, 2017                  
Debt Instrument [Line Items]                  
Mandatory redemption price percentage             100.00%    
2022 Notes | On or after January 15, 2017                  
Debt Instrument [Line Items]                  
Redemption price percentage           105.531%      
2022 Notes | Upon occurrence of certain change of control events                  
Debt Instrument [Line Items]                  
Redemption price percentage           101.00%      
2022 Logistics Senior Notes | Navios Logistics                  
Debt Instrument [Line Items]                  
Face amount at issuance date         $ 375,000        
Issuance date/Date of agreement         Apr. 22, 2014        
Fixed interest rate         7.25%        
Amount oustanding             $ 375,000 $ 375,000  
Maturity date         May 01, 2022        
Maximum dividend percentage         6.00%        
2022 Logistics Senior Notes | Navios Logistics | From issuance date to April 30, 2017                  
Debt Instrument [Line Items]                  
Redemption price percentage         100.00%        
2022 Logistics Senior Notes | Navios Logistics | On or after May 1, 2017                  
Debt Instrument [Line Items]                  
Redemption price percentage         105.438%        
2022 Logistics Senior Notes | Navios Logistics | Redemption using net proceeds of equity offering | From issuance date to April 30, 2017                  
Debt Instrument [Line Items]                  
Redemption price percentage         107.25%        
2022 Logistics Senior Notes | Navios Logistics | Upon occurrence of certain change of control events                  
Debt Instrument [Line Items]                  
Redemption price percentage         101.00%        
2022 Logistics Senior Notes | Navios Logistics | Minimum | Redemption using net proceeds of equity offering | From issuance date to April 30, 2017                  
Debt Instrument [Line Items]                  
Percentage of principal amount of debt outstanding after redemption         65.00%        
2022 Logistics Senior Notes | Navios Logistics | Maximum | Redemption using net proceeds of equity offering | From issuance date to April 30, 2017                  
Debt Instrument [Line Items]                  
Percentage of principal amount redeemed         35.00%        
2022 Logistics Senior Notes | All subsidiaries of Navios Logistics                  
Debt Instrument [Line Items]                  
Percentage of ownership             100.00%    
Navios Logistics Notes Payable                  
Debt Instrument [Line Items]                  
Interest Rate             six-month LIBOR