v3.26.1
Long-term Debt - Cougar Japanese Financing (Details) - Cougar Japanese Financing - USD ($)
$ in Millions
May 19, 2022
Aug. 21, 2023
Long-term Debt    
Value of vessel transferred $ 70.0  
Term of charter agreement 10 years  
Proceeds from sale of vessel $ 50.0  
Deposit retained by buyer used for purchase payment 20.0  
Repayment of debt $ 20.0  
Description of variable rate basis three-month SOFR plus a margin of 2.45%  
Margin added to base interest rate under debt facility 2.45%  
Estimated financing cost to be incurred $ 0.4  
Monthly brokerage commission (as a percent) 1.25%  
Brokerage commission fee on delivery purchase option (as a percent) 0.50%  
Quarterly principal payments on debt $ 0.9  
Loan term period 10 years  
Balloon payment $ 14.0  
Fixed interest rate   6.34%