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VARIABLE INTEREST ENTITIES - Information Regarding Activity in Alternative Energy Partnerships (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Variable Interest Entity [Line Items] |  |  |  |  |
Gain (loss) on investments in alternative energy partnerships | $ 1,785 | $ 829 | $ 1,430 | $ (1,016) | $ (308)
Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Fundings | 0 |  | 0 | 0 | 3,631
Cash distribution from investment | 657 |  | 611 | 1,765 | 1,612
Gain (loss) on investments in alternative energy partnerships | 1,785 |  | 1,430 | (1,016) | (308)
Income tax credits recognized | 0 |  | 0 | 0 | 0
Tax expense (benefit) recognized from HLBV application | $ 491 |  | $ 185 | $ (280) | $ (111)

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