Transactions with Related Parties - Additional Information (Details) - USD ($)
$ in Thousands
2 Months Ended 3 Months Ended 4 Months Ended 9 Months Ended 10 Months Ended 12 Months Ended
Mar. 03, 2020
Feb. 21, 2018
Mar. 31, 2020
Mar. 20, 2017
Mar. 17, 2017
Apr. 30, 2016
Sep. 30, 2018
Nov. 03, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Feb. 01, 2019
Sep. 19, 2016
Feb. 04, 2015
Due from affiliate, current                 $ 14,614 $ 19,710          
Due from affiliate, non current                 5,328 0          
Due to affiliate, current                 6,353 37,063          
Due to affiliate                 130,538 0          
Due to affiliate, non current                 5,000 67,154          
Deferred gain recognized in Statement of Comprehensive Income                 (9,185) (80,205) $ 4,399        
Loan receivable from affiliate companies                 24,495 46,089          
Current portion of long-term debt                 50,110 69,051          
Accrued interest                 35,926 40,903          
Repayment of loan payable to affiliate companies                 (13,420) 0 (55,132)        
Current portion of loan payable to affiliate companies                 24,715 0          
Outstanding balance                 1,581,756 1,843,912          
Navios Partners                              
Due to affiliate, current                 5,000 34,765          
Due to affiliate, non current                 5,000 17,891          
Unamortized deferred gain for vessels and rights sold                 6,285 8,126          
Deferred gain recognized in Statement of Comprehensive Income                 1,842 1,828 $ 1,892        
Navios Acquisition                              
Due from affiliate, current                 1,460 10,113          
Due to affiliate, non current                 $ 0 13,847          
Navios Midstream                              
Description of the option to acquire Navios Midstream                 Navios Holdings entered into an option agreement, with Navios Acquisition under which Navios Acquisition, which owns and controls Navios Maritime Midstream Partners GP LLC (“Midstream General Partner”), granted Navios Holdings the option to acquire a minimum of 25% of the outstanding membership interests in Midstream General Partner and the incentive distribution rights in Navios Midstream representing the right to receive an increasing percentage of the quarterly distributions when certain conditions are met. The option shall expire on November 18, 2024. The purchase price for the acquisition for all or part of the option interest shall be an amount equal to its fair market value. As of December 31, 2019, Navios Holdings had not exercised any part of that option.            
Navios Containers                              
Due from affiliate, current                 $ 4,065 0          
Due to affiliate, non current                 0 7,862          
NSM                              
Due from affiliate, non current                 5,328 0          
Due to affiliate, current                 $ 1,353 0          
Navios Acquisition Loan                              
Line of credit facility issuance date                 Sep. 19, 2016            
Maximum borrowing capacity                 $ 70,000            
Line Credit Facility Arrangement Fees                 700            
Repayment of loan payable to affiliate companies               $ (55,132)       $ 50,000      
Navios Acquisition Loan | Navios Logistics                              
Ownership percentage of Navios Holdings                           78.50%  
Navios Revolving Loans I Transfer                              
Due to affiliate, non current                 0 35,417          
Consideration received         $ 33,473                    
Debt instrument unamortized premium         12,089       $ 0 8,359          
Navios Revolving Loans I Transfer | Navios Partners                              
Loan receivable from affiliate companies         21,384                    
Long-term liability recognized         33,473                    
Proceeds from transfer of debt         $ 4,050                    
Number of shares issued-common stock         13,076,923                    
Consideration equity component         $ 29,423                    
Share Repurchase Program                              
General partnership interests                         1,754,981    
Minimum | Navios Midstream                              
Ownership percentage of Navios Holdings                 25.00%            
Minimum | Share purchase agreement with Navios Partners                              
Ownership percentage of Navios Holdings                             20.00%
Secured Credit Facility | Navios Logistics                              
Line of credit facility issuance date                 Apr. 25, 2019            
Maximum borrowing capacity                 $ 50,000            
Line Credit Facility Arrangement Fees                 $ 500            
Debt instrument maturity date                 Apr. 30, 2021            
Amount drawn down $ 70,000                            
Line of Credit Facility, Increase                 $ 20,000            
Secured Credit Facility | Navios Logistics | First year                              
Interest rate description                 12.75%            
Secured Credit Facility | Navios Logistics | Second year                              
Interest rate description                 14.75%            
Secured Credit Facility | Navios Logistics | If certain conditions are met                              
Debt instrument maturity date                 Dec. 31, 2024            
Interest rate description                 10.00%            
Secured Credit Facility | NSM                              
Face amount at issuance date                 $ 141,795            
Issuance date/Date of agreement                 Aug. 29, 2019            
Fixed interest rate                 5.00%            
Long-term debt term                 5 years            
Current portion of long-term debt                 $ 47,000            
Accrued interest                 2,163            
Repayment of loan payable to affiliate companies                 13,420            
Current portion of loan payable to affiliate companies                 $ 22,552            
Repayment frequency                 quarterly            
Outstanding balance                 $ 128,375            
Secured Credit Facility | NSM | Deferred principal payment | First or second year                              
Fixed interest rate                 7.00%            
Outstanding balance                 $ 20,000            
Secured Credit Facility | NSM | Deferred principal payment | Third year                              
Fixed interest rate                 7.00%            
Outstanding balance                 $ 10,000            
2022 Notes                              
Face amount at issuance date                 $ 650,000            
Issuance date/Date of agreement                 Nov. 29, 2013            
Fixed interest rate                 7.375%            
Extinguishment Of Debt Amount     $ 20,782       $ 35,661   $ 81,235            
2022 Notes | Secured Credit Facility | Navios Logistics                              
Extinguishment Of Debt Amount $ 18,726                            
2022 Senior Secured Notes                              
Face amount at issuance date                 $ 305,000            
Issuance date/Date of agreement                 Nov. 21, 2017            
Fixed interest rate                 11.25%            
Navios Partners                              
Number of shares issued-common stock   18,422,000   47,795,000                      
Navios Partners | Navios Partner Credit Facility                              
Line of credit facility issuance date                 May 31, 2015            
Maximum borrowing capacity                 $ 60,000            
Credit facility outstanding amount                 $ 0 0          
Interest rate description                 LIBOR plus 300 basis points            
Loan margin percentage                 3.00%            
Credit facility maturity date                 Jan. 02, 2017            
Amount drawn down           $ 21,000                  
Navios Europe I                              
Proceeds From Related Party Debt                 $ 13,420            
Due from affiliate                 $ 0 12,013          
Due from affiliate, current                   7,769          
Due from affiliate, non current                   4,244          
Ownership percentage of Navios Holdings                 47.50%            
Navios Europe I | Navios Revolving Loans I                              
Preferred Distribution Percentage                 12.70%            
Loan receivable from affiliate companies                 $ 0 19,125          
Payments to fund loans                 4,000 8,000          
Navios Europe II                              
Due from affiliate                 20,712 5,312          
Due from affiliate, current                 13,154            
Due from affiliate, non current                 $ 7,558 5,782          
Due to affiliate, current                   470          
Ownership percentage of Navios Holdings                 47.50%            
Navios Europe II | Navios Revolving Loans II                              
Preferred Distribution Percentage                 18.00%            
Loan receivable from affiliate companies                 $ 16,938 $ 16,938          
Available amount of loan facility                 4,503            
Navios Europe II | Navios Revolving Loans II | Maximum | Funding Commitment                              
Available amount of loan facility                 $ 4,503