Borrowings (Table) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Senior Notes $ 1,263,566 $ 1,170,679
Borrowings 1,612,718 1,581,756
Less: current portion, net (374,191) (50,110)
Less: deferred finance costs and discount, net (28,289) (18,509)
Total long-term borrowings 1,210,238 1,513,137
Loan Facility HCOB ($15,300)    
Debt Instrument [Line Items]    
Line of credit 9,945 11,475
Loan Facility Credit Agricole ($23,000)    
Debt Instrument [Line Items]    
Line of credit 11,100 12,600
Loan Facility Credit Agricole ($23,000)    
Debt Instrument [Line Items]    
Line of credit 11,400 12,900
Loan Facility DVB Bank SE ($72,000)    
Debt Instrument [Line Items]    
Line of credit 4,504 41,073
Loan Facility DVB Bank SE ($40,000)    
Debt Instrument [Line Items]    
Line of credit 0 5,556
Loan Facility Alpha Bank ($31,000)    
Debt Instrument [Line Items]    
Line of credit 20,200 22,000
Loan Facility Alpha Bank ($16,125)    
Debt Instrument [Line Items]    
Line of credit 12,925 14,025
Sale and Leaseback Agreements    
Debt Instrument [Line Items]    
Borrowings 62,934 0
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 (including accrued interest of $526 and $2,163, respectively)    
Debt Instrument [Line Items]    
Borrowings 78,901 130,538
$50.0 million NSM Loan (including accrued interest of $326 and $0, respectively)    
Debt Instrument [Line Items]    
Line of credit 50,326 0
Navios Holdings borrowings    
Debt Instrument [Line Items]    
Borrowings 1,052,683 1,061,397
Navios Logistics borrowings | 2022 Logistics Senior Notes    
Debt Instrument [Line Items]    
Senior Notes 0 375,000
Navios Logistics borrowings | 2025 Logistics Senior Notes    
Debt Instrument [Line Items]    
Senior Notes 500,000 0
Navios Logistics borrowings | Navios Logistics Notes Payable    
Debt Instrument [Line Items]    
Senior Notes 17,842 22,469
Navios Logistics borrowings | Navios Logistics BBVA Loan Facility    
Debt Instrument [Line Items]    
Borrowings 0 14,275
Navios Logistics borrowings | Navios Logistics New BBVA Loan Facility    
Debt Instrument [Line Items]    
Borrowings 22,000 0
Navios Logistics borrowings | Navios Logistics Alpha Bank Loan    
Debt Instrument [Line Items]    
Borrowings 9,100 10,500
Navios Logistics borrowings | Navios Logistics Term Loan B Facility    
Debt Instrument [Line Items]    
Borrowings 0 98,000
Navios Logistics borrowings | Seller’s Credit Agreement for the construction of six liquid barges    
Debt Instrument [Line Items]    
Borrowings 11,047 0
Navios Logistics borrowings | Other long-term loans    
Debt Instrument [Line Items]    
Line of credit 46 115
Navios Logistics borrowings | Total Navios Logistics borrowings    
Debt Instrument [Line Items]    
Borrowings $ 560,035 $ 520,359