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VARIABLE INTEREST ENTITIES - Information Regarding Activity in Alternative Energy Partnerships (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019
Variable Interest Entity [Line Items] |  |  |
Loss on investments in alternative energy partnerships | $ (3,052) |  | $ (2,587)
Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Funding transferred | 3,631 |  | 0
Cash distribution from investment | 454 |  | 460
Loss on investments in alternative energy partnerships | (1,905) | $ (1,039) | (1,950)
Income tax credits recognized | 0 |  | 0
Tax benefit recognized from HLBV application | $ 458 |  | $ 527

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