Investments in Affiliate Companies (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures $ 130,271   $ 130,271   $ 99,292
Income (Loss) from Equity Method Investments 15,210 $ 13,160 31,297 $ 22,958  
Navios Partners [Member]          
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 130,271   130,271   99,292
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity 132,640   132,640   $ 142,080
Income (Loss) from Equity Method Investments 15,210 13,160 31,297 22,958  
Proceeds from Dividends Received   $ 159   $ 318  
Equity Method Investment, Quoted Market Value $ 69,553   $ 69,553    
Navios Partners [Member] | Upon NMCI and NNA Merger [Member]          
Partners' Capital Account, Units 3,183,199   3,183,199    
Equity Method Investment, Ownership Percentage 10.30%   10.30%    
Navios Holdings [Member] | Navios Partners [Member]          
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest         2.00%
Navios Partners [Member] | Continuous Offering Program Sales Agreement [Member] | General Partner [Member]          
Partners' Capital Account, Units, Sale of Units         156,895
Navios Partners [Member] | Common Stock [Member] | Continuous Offering Program Sales Agreement [Member]          
Partners' Capital Account, Units, Sale of Units         7,687,730