Preferred and Common Stock (Details Narrative) - USD ($)
 1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 6 Months Ended 7 Months Ended 11 Months Ended 12 Months Ended
Jan. 19, 2021
Feb. 01, 2019
Feb. 21, 2020
Feb. 29, 2016
Mar. 21, 2019
Apr. 18, 2019
Jul. 13, 2021
Jul. 10, 2020
Jul. 15, 2017
Jul. 30, 2021
Dec. 15, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 18, 2020
Dec. 31, 2019
Dec. 31, 2016
Dec. 31, 2018
Dec. 31, 2017
Nov. 30, 2015
Class of Stock [Line Items]                                      
Common stock shares outstanding                       25,198,620 15,881,147            
Common Stock, Par or Stated Value Per Share                       $ 0.0001 $ 0.0001            
Shares tendered, nominal value                       $ 0 $ 0            
Payments for tender offer expenses                       $ (0) $ (0)   $ 10,228,000        
Gain/ (Loss) from stock redemption recognized in Retained Earnings                             (18,855,000)        
Derecognision of non-controlling interest                             $ 162,230,000        
Preferred Stock, Shares Outstanding                       23,032 23,032            
Navios Logistics [Member]                                      
Class of Stock [Line Items]                                      
Dividends paid     $ 27,500,000         $ 6,381,000                      
Common Stock Dividends, Shares               2,414,263                      
Dividends paid to noncontrolling shareholders     9,948,000         $ 2,308,000                      
Navios Corporation [Member]                                      
Class of Stock [Line Items]                                      
Common stock shares outstanding                       2,414,263 2,414,263            
Grimaud [Member]                                      
Class of Stock [Line Items]                                      
Sale of Stock, Number of Shares Issued in Transaction                       9,301,542              
Gain/ (Loss) from stock redemption recognized in Retained Earnings                       $ 21,000,000              
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture             9,301,542                        
Payments of Dividends                   $ 16,000,000                  
Line of Credit Facility, Increase (Decrease), Net                   $ 20,000,000                  
Debt Securities                       15,000,000              
Derecognision of non-controlling interest                       27,243,000              
Paid in capital                       8,757,000              
Net proceeds                       44,437,000              
Costs from sale of common stock                       $ 176,000              
Navios Holdings [Member] | Navios Logistics [Member]                                      
Class of Stock [Line Items]                                      
Dividends paid     $ 17,552,000                                
Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Dividends cancelled                         $ 171,000            
Convertible Preferred Stock [Member]                                      
Class of Stock [Line Items]                                      
Conversion of Stock, Shares Converted                       0              
Conversion of stock, shares converted                         210   3,289        
Conversion of stock, shares issued                         22,712            
Preferred Stock, Liquidation Preference, Value                             $ 10,000        
Preferred Stock, Redemption Price Per Share                             $ 10        
Preferred Stock, Dividend Rate, Percentage                       2.00%              
Common Stock [Member]                                      
Class of Stock [Line Items]                                      
Common stock shares outstanding                       25,198,620 15,881,147            
Conversion of Stock, Shares Issued                             352,770        
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture 16,000 151,515                 40,000     16,000          
Common Stock [Member] | Share Repurchase Program [Member]                                      
Class of Stock [Line Items]                                      
Share repurchase program, Authorized amount                                     $ 25,000,000
Acquisition of treasury stock, shares       114,791                       94,858      
Acquisition of treasury stock, value       $ 1,070,000                       $ 818,000      
Common Stock [Member] | Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Conversion of Stock, Shares Issued                         1,712   23,870        
Share Price                         $ 6            
Series G Preferred Stock [Member]                                      
Class of Stock [Line Items]                                      
Preferred Stock, Shares Outstanding                       5,350 5,350            
Series G Preferred Stock [Member] | Exchange program for 66 2/3% shares [Member]                                      
Class of Stock [Line Items]                                      
Dividends cancelled           $ 6,798,000                          
Number of shares issued for the exchange offer           8,841                          
Shares tendered, nominal value           $ 21,271,000                          
Tender offer expenses           620,000                          
Payments for tender offer expenses           4,423,000                          
2024 Notes issued           3,879,000                          
Gain/ (Loss) from stock redemption recognized in Retained Earnings           $ 12,568,000                          
Series H Preferred Stock [Member]                                      
Class of Stock [Line Items]                                      
Preferred Stock, Shares Outstanding                       17,682 17,682            
Series H Preferred Stock [Member] | Exchange program for 66 2/3% shares [Member]                                      
Class of Stock [Line Items]                                      
Dividends cancelled         $ 7,678,000                            
Number of shares issued for the exchange offer         10,930                            
Shares tendered, nominal value         $ 26,297,000                            
Tender offer expenses         997,000                            
Payments for tender offer expenses         4,188,000                            
2024 Notes issued         4,747,000                            
Gain/ (Loss) from stock redemption recognized in Retained Earnings         $ 16,365,000                            
Preferred Stock [Member]                                      
Class of Stock [Line Items]                                      
Preferred Stock, Shares Outstanding                       23,032 23,242            
Preferred Stock [Member] | Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Undeclared preferred dividends                       $ 30,348,000 $ 25,222,000            
Restricted Stock [Member]                                      
Class of Stock [Line Items]                                      
Forfeited shares of common stock                       894 1,345   3,379        
Before 1-for-10 reverse stock split [Member]                                      
Class of Stock [Line Items]                                      
Common stock shares outstanding                                 128,434,137 120,386,472  
After 1-for-10 reverse stock split [Member]                                      
Class of Stock [Line Items]                                      
Common stock shares outstanding                                 12,843,414 12,038,647  
Issued in 2017 [Member] | Restricted Stock Units (RSUs) [Member]                                      
Class of Stock [Line Items]                                      
Vested stock units                       825 825   825        
Issued in 2016 [Member] | Restricted Stock Units (RSUs) [Member]                                      
Class of Stock [Line Items]                                      
Vested stock units                         84,336   334        
First Conversion [Member] | Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Dividends cancelled                             $ 1,471,000        
First Conversion [Member] | Common Stock [Member] | Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Conversion of Stock, Shares Converted                             1,980        
Conversion of Stock, Shares Issued                             14,711        
Share Price                             $ 75        
Second Conversion [Member] | Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Dividends cancelled                             $ 916,000        
Second Conversion [Member] | Common Stock [Member] | Dividends Undeclared [Member]                                      
Class of Stock [Line Items]                                      
Conversion of Stock, Shares Converted                             1,309        
Conversion of Stock, Shares Issued                             9,159        
Share Price                             $ 41        
American Depositary Shares [Member] | Series G and Series H [Member]                                      
Class of Stock [Line Items]                                      
Percentage of the increase of the preferred dividend rate                 0.25%                    
American Depositary Shares [Member] | Series G Preferred Stock [Member]                                      
Class of Stock [Line Items]                                      
Preferred Stock, Redemption Price Per Share                       $ 25              
Sale of Stock, Number of Shares Issued in Transaction                       2,000,000              
Preferred Stock, Liquidation Preference Per Share                       $ 2,500              
Preferred Stock, Dividend Rate, Percentage                       8.75%              
American Depositary Shares [Member] | Series H Preferred Stock [Member]                                      
Class of Stock [Line Items]                                      
Preferred Stock, Redemption Price Per Share                       $ 25              
Sale of Stock, Number of Shares Issued in Transaction                       4,800,000              
Preferred Stock, Liquidation Preference Per Share                       $ 2,500              
Preferred Stock, Dividend Rate, Percentage                       8.625%