Borrowings (Table) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Secured credit facilities $ 108,160 $ 119,629
Total borrowings 1,607,483 1,581,756
Less: current portion, net (69,732) (50,110)
Less: deferred finance costs, net (15,702) (18,509)
Total long-term borrowings 1,522,049 1,513,137
2022 Senior Secured Notes    
Debt Instrument [Line Items]    
Senior Notes 305,000 305,000
2022 Notes    
Debt Instrument [Line Items]    
Senior Notes 476,822 497,604
2024 Notes    
Debt Instrument [Line Items]    
Senior Notes 8,626 8,626
NSM Loan (incl. accrued interest $835 and $2,163, respectively)    
Debt Instrument [Line Items]    
Total borrowings 97,710 130,538
$50.0 million NSM Loan (incl. accrued interest $14)    
Debt Instrument [Line Items]    
Secured credit facilities 31,514 0
Sale and Leaseback Agreements    
Debt Instrument [Line Items]    
Finance lease liability 65,705 0
2022 Logistics Senior Notes    
Debt Instrument [Line Items]    
Senior Notes 375,000 375,000
Navios Logistics other long-term loans and notes payable    
Debt Instrument [Line Items]    
Other long-term loans $ 138,946 $ 145,359