Description of Business - Related Parties - Navios Europe I (Details) - Navios Europe I
12 Months Ended
Dec. 31, 2018
Oct. 09, 2013
Related Party Transaction [Line Items]    
Percentage of ownership 47.50%  
Navios Holdings    
Related Party Transaction [Line Items]    
Percentage of ownership   47.50%
Percentage of voting stock held 50.00%  
Navios Acquisition    
Related Party Transaction [Line Items]    
Percentage of ownership   47.50%
Percentage of voting stock held 50.00%  
Navios Partners    
Related Party Transaction [Line Items]    
Percentage of ownership   5.00%
Percentage of voting stock held 0.00%  
Tanker vessels    
Related Party Transaction [Line Items]    
Number of vessels 5  
Container vessels    
Related Party Transaction [Line Items]    
Number of vessels 5