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Long-Term Debt, net - Annual loan principal payments (Details)
$ in Thousands
Jun. 30, 2025
USD ($)
Total [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings $ 112,945
First Citizens Bank & Trust Company (formerly known as CIT Bank N.A.) [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 39,605
Marguerite Maritime S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 21,820
SK Shipholding S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 26,998
Shanyo Shoju Co. Ltd. And Greatsail Shipping S.A [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 24,522
Not later than one year [member] | Total [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 23,201
Not later than one year [member] | First Citizens Bank & Trust Company (formerly known as CIT Bank N.A.) [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 20,105
Not later than one year [member] | Marguerite Maritime S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,180
Not later than one year [member] | SK Shipholding S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,095
Not later than one year [member] | Shanyo Shoju Co. Ltd. And Greatsail Shipping S.A [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 821
Later than one year and not later than two years [member] | Total [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 5,096
Later than one year and not later than two years [member] | First Citizens Bank & Trust Company (formerly known as CIT Bank N.A.) [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 2,000
Later than one year and not later than two years [member] | Marguerite Maritime S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,180
Later than one year and not later than two years [member] | SK Shipholding S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,095
Later than one year and not later than two years [member] | Shanyo Shoju Co. Ltd. And Greatsail Shipping S.A [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 821
Later than two years and not later than three years [member] | Total [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 20,727
Later than two years and not later than three years [member] | First Citizens Bank & Trust Company (formerly known as CIT Bank N.A.) [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 17,500
Later than two years and not later than three years [member] | Marguerite Maritime S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,180
Later than two years and not later than three years [member] | SK Shipholding S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,162
Later than two years and not later than three years [member] | Shanyo Shoju Co. Ltd. And Greatsail Shipping S.A [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 885
Later than three years and not later than four years [member] | Total [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 20,379
Later than three years and not later than four years [member] | First Citizens Bank & Trust Company (formerly known as CIT Bank N.A.) [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 0
Later than three years and not later than four years [member] | Marguerite Maritime S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 18,280
Later than three years and not later than four years [member] | SK Shipholding S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 1,168
Later than three years and not later than four years [member] | Shanyo Shoju Co. Ltd. And Greatsail Shipping S.A [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 931
Later than four years and not later than five years [member] | Total [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 43,542
Later than four years and not later than five years [member] | First Citizens Bank & Trust Company (formerly known as CIT Bank N.A.) [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 0
Later than four years and not later than five years [member] | Marguerite Maritime S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 0
Later than four years and not later than five years [member] | SK Shipholding S.A. [Member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings 22,478
Later than four years and not later than five years [member] | Shanyo Shoju Co. Ltd. And Greatsail Shipping S.A [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings $ 21,064