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VARIABLE INTEREST ENTITIES - Information Regarding Activity in Alternative Energy Partnerships (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Variable Interest Entity [Line Items] |  |  |
Gain (loss) on investments in alternative energy partnerships | $ (4,023) | $ (4,888) | $ (5,214)
Tax expense (benefit) recognized from HLBV application | 20,276 | 1,786 | 4,219
Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Fundings | 0 | 3,631 | 806
Cash distribution from investment | 2,293 | 2,094 | 2,025
Gain (loss) on investments in alternative energy partnerships | 204 | 365 | (1,694)
Tax expense (benefit) recognized from HLBV application | 59 | 45 | (362)
Income tax credits recognized | $ 0 | $ 0 | $ 3,446

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