Investments in Affiliate Companies - Financial Information of the Affiliate Companies - Balance Sheet (Table) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]        
Cash and cash equivalents, including restricted cash $ 78,851 $ 137,851 $ 111,184 $ 78,727
Current assets 147,570 229,447    
Non-current assets 776,741 1,579,331    
Current liabilities 107,863 497,448    
Non-current liabilities 674,357 1,244,686    
Navios Partners [Member]        
Schedule of Equity Method Investments [Line Items]        
Cash and cash equivalents, including restricted cash 175,098 169,446    
Current assets 310,424 226,340    
Non-current assets 4,585,280 3,396,959    
Current liabilities 617,740 395,505    
Long- term debt including current portion, net 1,945,447 1,361,709    
Non-current liabilities $ 1,935,001 $ 1,458,069