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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

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- Definition Indicates line item in statement of financial position that includes derivative asset classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 + Details
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