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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Bunker swaps and Forward Purchase Agreements (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Summary of Significant Accounting Policies      
Fair value of derivatives - asset position   $ 572  
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] Prepaid Expense and Other Assets, Current    
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] Accounts Payable and Accrued Liabilities, Current    
Bunker Swap and Forward Fuel Purchase Agreements      
Summary of Significant Accounting Policies      
Fair value of derivatives - asset position $ 0 1  
Fair value of derivatives - liability position 6 0  
Other Nonoperating Income (Expense) | Bunker Swap and Forward Fuel Purchase Agreements      
Summary of Significant Accounting Policies      
Realized (losses) gains 78 202 $ 1,631
Unrealized (losses) gains $ (8) $ (96) $ 3