Cash and Cash Equivalents and Restricted Cash (Details Narrative) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents, Current $ 8,726 $ 84,260
Retention Accounts [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents, Current 8,726 0
Navios Lumen, Navios Stellar and Navios Phoenix [Member] | 2022 Notes [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents, Current   84,250
Amounts Held As Security [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents, Current $ 10 $ 10