Borrowings - Credit Facilities (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Debt Instrument [Line Items]          
Amount outstanding $ 226,189   $ 226,189   $ 248,313
Gain/ (Loss) on bond and debt extinguishment 1,715 $ 0 $ 1,715 $ 0  
Navios Logistics          
Debt Instrument [Line Items]          
Variable rate basis     LIBOR    
Navios Logistics | Minimum          
Debt Instrument [Line Items]          
Loan margin percentage     3.15%    
Maturity date     Sep. 30, 2021    
Navios Logistics | Maximum          
Debt Instrument [Line Items]          
Loan margin percentage     3.25%    
Maturity date     Nov. 30, 2024    
Secured debt          
Debt Instrument [Line Items]          
Repayment frequency     semi-annual or quarterly    
Variable rate basis     LIBOR    
Minimum liquidity 30,000   $ 30,000    
Secured debt | Minimum          
Debt Instrument [Line Items]          
Loan margin percentage     2.55%    
Maturity date     Sep. 30, 2018    
Value to loan ratio     1.1    
Net total debt to assets     0.75    
Secured debt | Minimum | Covenants waived up to six quarters          
Debt Instrument [Line Items]          
Value to loan ratio     0.9    
Secured debt | Maximum          
Debt Instrument [Line Items]          
Loan margin percentage     3.60%    
Maturity date     Nov. 30, 2022    
Value to loan ratio     1.3    
Net total debt to assets     0.8    
Secured debt | Maximum | Covenants waived up to six quarters          
Debt Instrument [Line Items]          
Value to loan ratio     1.3    
Net total debt to assets     0.9    
Navios Acquisition Loan          
Debt Instrument [Line Items]          
Line of credit facility issuance date     Sep. 19, 2016    
Maximum borrowing capacity 70,000   $ 70,000    
Amount outstanding $ 53,494   $ 53,494   $ 51,240
Interest rate spread 8.75%   8.75%    
Secured credit facilities | Navios Acquisition          
Debt Instrument [Line Items]          
Repayment amount     $ 15,028    
Repayment of debt     37,921    
Repurchase of senior notes     7,286    
Secured credit facility refinanced | Navios Logistics          
Debt Instrument [Line Items]          
Gain/ (Loss) on bond and debt extinguishment     1,715    
Secured credit facility refinanced | Navios Acquisition          
Debt Instrument [Line Items]          
Amount outstanding $ 17,322   17,322    
Repayment of debt     $ 15,607