Borrowings - Senior and Ship Mortgage Notes Navios Holdings and Navios Logistics (Details) - USD ($)
$ in Thousands
1 Months Ended 4 Months Ended 6 Months Ended 7 Months Ended 11 Months Ended
Jan. 28, 2011
Apr. 22, 2014
Jun. 30, 2016
Jul. 31, 2012
Nov. 29, 2013
Nov. 30, 2009
Dec. 31, 2015
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     $ 350,000       $ 350,000
Redemption price percentage 104.063%            
Senior Notes due 2019 | Upon occurrence of certain change of control events              
Debt Instrument [Line Items]              
Redemption price percentage 101.00%            
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
2022 Notes | From issuance date to January 14, 2017              
Debt Instrument [Line Items]              
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 Notes | Indebtedness in connection with six vessels added as collateral              
Debt Instrument [Line Items]              
Amount used for repayment of debt         $ 123,257    
2022 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 Senior Notes | Navios Logistics | From issuance date to April 30, 2017              
Debt Instrument [Line Items]              
Redemption price percentage   100.00%          
2022 Senior Notes | Navios Logistics | On or after May 1, 2017              
Debt Instrument [Line Items]              
Redemption price percentage   105.438%          
2022 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 Senior Notes | Navios Logistics | Upon occurrence of certain change of control events              
Debt Instrument [Line Items]              
Redemption price percentage   101.00%          
2022 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 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 Senior Notes | All subsidiaries of Navios Logistics              
Debt Instrument [Line Items]              
Percentage of ownership     100.00%        
2017 Notes              
Debt Instrument [Line Items]              
Face amount at issuance date       $ 88,000   $ 400,000  
Issuance date/Date of agreement       Jul. 31, 2012   Nov. 30, 2009  
Fixed interest rate           8.875%  
Amount oustanding         $ 0    
Maturity date           Nov. 01, 2017