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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Bunker swaps and Forward Purchase Agreements (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Summary of Significant Accounting Policies |  |  |  |  |
Fair value of derivative instruments | $ 5,724 |  | $ 5,724 |  |
Prepaid expenses and other current assets | Bunker Swap and Forward Fuel Purchase Agreements |  |  |  |  |
Summary of Significant Accounting Policies |  |  |  |  |
Fair value of derivative instruments | 316 |  | 316 |  | $ 113
Accounts payable and accrued expenses | Bunker Swap and Forward Fuel Purchase Agreements |  |  |  |  |
Summary of Significant Accounting Policies |  |  |  |  |
Fair value of liability position | 334 |  | 334 |  | $ 20
Other income (expense) | Bunker Swap and Forward Fuel Purchase Agreements |  |  |  |  |
Summary of Significant Accounting Policies |  |  |  |  |
Realized gains | 326 | $ 84 | 1,622 | $ 299 |
Unrealized gains (losses) | $ (1,871) | $ 30 | $ (112) | $ 81 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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