Summary of Significant Accounting Policies - Basis Of Presentation, Subsidiaries, Affiliates and Restricted Cash (Details) - USD ($)
$ in Thousands
5 Months Ended 12 Months Ended
May. 30, 2014
Dec. 31, 2015
Dec. 31, 2014
May. 31, 2014
Dec. 31, 2013
Restricted Cash And Cash Equivalents Items [Line Items]          
Restricted cash   $ 13,480 $ 2,564   $ 2,041
Navios Logistics          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings   63.80%      
Navios Asia          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings 51.00%        
Remaining non controlling interest percentage acquired       49.00%  
Navios Partners and its subsidiaries          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings   20.10%      
General partner interest of Navios Holdings   2.00%      
Navios Acquisition and its subsidiaries          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings   46.60%      
Acropolis Chartering and Shipping Inc. ("Acropolis")          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings   50.00%      
Ownership percentage of Navios Holdings   35.00%      
Navios Europe I          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings   47.50%      
Navios Europe II          
Percentage of Navios Holdings ownership          
Ownership percentage of Navios Holdings   47.50%      
Retention Accounts          
Restricted Cash And Cash Equivalents Items [Line Items]          
Restricted cash   $ 1,890 1,974    
Additional security          
Restricted Cash And Cash Equivalents Items [Line Items]          
Restricted cash   11,000 0    
Amount Held as Security          
Restricted Cash And Cash Equivalents Items [Line Items]          
Restricted cash   590 $ 590    
Effect of early adoption of new accounting pronouncement          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Reduction of total assets, due to change in accounting principle   (31,692)      
Reduction of long term debt, due to change in accounting principle   (30,789)      
Reduction of current portion of long term debt, due to change in accounting principle   $ (903)