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Long-Term Debt and Other Financial Liabilities, Sinopac Loan Facility (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
Installment
Dec. 31, 2022
USD ($)
Dec. 10, 2021
USD ($)
Senior Long-Term Debt [Abstract]      
Balance outstanding $ 213,711 $ 235,603  
Sinopac Loan Facility [Member]      
Senior Long-Term Debt [Abstract]      
Face amount     $ 15,000
Term of loan 5 years    
Balloon payment $ 6,720    
Market value of vessels plus additional security as percentage of aggregate outstanding loan 1.30    
Balance outstanding $ 11,340    
Sinopac Loan Facility [Member] | First Four Installments [Member]      
Senior Long-Term Debt [Abstract]      
Number of consecutive payment installments | Installment 4    
Frequency of periodic payment quarterly    
Installment payment $ 530    
Sinopac Loan Facility [Member] | Last Sixteen Installments [Member]      
Senior Long-Term Debt [Abstract]      
Number of consecutive payment installments | Installment 16    
Frequency of periodic payment quarterly    
Installment payment $ 385    
Sinopac Loan Facility [Member] | SOFR [Member]      
Senior Long-Term Debt [Abstract]      
Margin on variable rate 3.50%