Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease discount rate 8.25%  
Operating lease liabilities $ 43,516 $ 47,064
Navios Logistics    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease discount rate 7.25%  
Charter-in contracts    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 4 years 10 months 23 days 4 years 6 months
Operating lease liabilities $ 266,367  
Charter-in contracts | Minimum    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 1 month 6 days  
Charter-in contracts | Maximum    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 9 years 6 months  
Land leases    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 45 years 3 months 7 days 46 years 3 months 18 days
Operating lease liabilities $ 7,878  
Land leases | Minimum | Navios Logistics    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 45 years 2 months 12 days  
Land leases | Maximum | Navios Logistics    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 45 years 6 months 27 days  
Office lease agreements    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 1 year 6 months 1 year 10 months 24 days
Operating lease liabilities $ 519  
Office lease agreements | Minimum | Navios Logistics    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 6 months  
Office lease agreements | Maximum | Navios Logistics    
Property Subject To Or Available For Operating Lease [Line Items]    
Operating lease remaining lease term 2 years 9 months 18 days  
Chartered-in vessels    
Property Subject To Or Available For Operating Lease [Line Items]    
Impairment loss $ 1,361 $ 38,636