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Debt, 2nd Alpha Bank Facility (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Installment
May 06, 2021
USD ($)
Debt [Abstract]    
Maximum ratio of debt to market value of fleet 75.00%  
Minimum free liquidity per delivered vessel $ 500  
Minimum term of time charter assigned as security 12 months  
2nd Alpha Bank Facility [Member]    
Debt [Abstract]    
Face amount   $ 38,000
Balloon installment payable at maturity $ 21,500  
Asset cover ratio 125.00%  
Maximum ratio of debt to market value of fleet 75.00%  
Minimum free liquidity per delivered vessel $ 500  
Minimum percentage of voting rights 50.10%  
Minimum term of time charter assigned as security 12 months  
2nd Alpha Bank Facility [Member] | LIBOR [Member]    
Debt [Abstract]    
Basis spread on variable rate 3.00%  
Variable rate 4.22%  
2nd Alpha Bank Facility [Member] | August 6, 2021 to August 5, 2024 [Member]    
Debt [Abstract]    
Number of payment installments | Installment 12  
Frequency of periodic payment quarterly  
Installment payment $ 750  
2nd Alpha Bank Facility [Member] | August 6, 2024 to August 5, 2027 [Member]    
Debt [Abstract]    
Number of payment installments | Installment 12  
Frequency of periodic payment quarterly  
Installment payment $ 625