Borrowings (Table) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Total borrowings $ 1,581,756 $ 1,843,912
Less: current portion, net (50,110) (69,051)
Less: deferred finance costs and discount, net (18,509) (27,905)
Total long-term borrowings 1,513,137 1,746,956
HCOB ($15,300)    
Debt Instrument [Line Items]    
Line of credit 11,475 13,005
Loan Facility Credit Agricole ($28,745)    
Debt Instrument [Line Items]    
Line of credit 0 26,415
Loan Facility Credit Agricole ($23,000)    
Debt Instrument [Line Items]    
Line of credit 12,600 12,031
Loan Facility Credit Agricole ($23,000)    
Debt Instrument [Line Items]    
Line of credit 12,900 12,350
Loan Facility DVB Bank SE ($72,000)    
Debt Instrument [Line Items]    
Line of credit 41,073 45,741
Loan Facility DVB Bank SE ($40,000)    
Debt Instrument [Line Items]    
Line of credit 5,556 15,333
Loan Facility Alpha Bank ($31,000)    
Debt Instrument [Line Items]    
Line of credit 22,000 23,800
Loan Facility Alpha Bank ($16,125)    
Debt Instrument [Line Items]    
Line of credit 14,025 15,125
2022 Senior Secured Notes    
Debt Instrument [Line Items]    
Senior Notes 305,000 305,000
2022 Notes    
Debt Instrument [Line Items]    
Senior Notes 497,604 614,339
2024 Notes    
Debt Instrument [Line Items]    
Senior Notes 8,626 0
NSM Loan (incl. $2,163 accrued interest)    
Debt Instrument [Line Items]    
Total borrowings 130,538 0
Navios Holdings borrowings    
Debt Instrument [Line Items]    
Total borrowings 1,061,397 1,083,139
Navios Logistics borrowings | 2022 Logistics Senior Notes    
Debt Instrument [Line Items]    
Senior Notes 375,000 375,000
Navios Logistics borrowings | Navios Logistics Notes Payable    
Debt Instrument [Line Items]    
Senior Notes 22,469 26,875
Navios Logistics borrowings | Navios Logistics BBVA Loan Facility    
Debt Instrument [Line Items]    
Total borrowings 14,275 19,300
Navios Logistics borrowings | Navios Logistics Alpha Bank Loan    
Debt Instrument [Line Items]    
Total borrowings 10,500 11,900
Navios Logistics borrowings | Navios Logistics Term Loan B Facility    
Debt Instrument [Line Items]    
Total borrowings 98,000 99,000
Navios Logistics borrowings | Credit Agreement    
Debt Instrument [Line Items]    
Total borrowings 0 5,909
Navios Logistics borrowings | Other long-term loans    
Debt Instrument [Line Items]    
Line of credit 115 184
Navios Logistics borrowings | Total Navios Logistics borrowings    
Debt Instrument [Line Items]    
Total borrowings 520,359 538,168
Navios Containers borrowings | ABN AMRO Bank N.V. ($50,000)    
Debt Instrument [Line Items]    
Line of credit 0 50,000
Navios Containers borrowings | BNP Paribas ($25,000)    
Debt Instrument [Line Items]    
Line of credit 0 23,611
Navios Containers borrowings | BNP Paribas ($24,000)    
Debt Instrument [Line Items]    
Line of credit 0 29,464
Navios Containers borrowings | HCOB ($36,000)    
Debt Instrument [Line Items]    
Line of credit 0 32,000
Navios Containers borrowings | Total Navios Containers borrowings    
Debt Instrument [Line Items]    
Total borrowings 0 222,605
Navios Containers borrowings | Financial liability ($119,000)    
Debt Instrument [Line Items]    
Financial liability $ 0 $ 87,530