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VARIABLE INTEREST ENTITIES - Balances and Activity in Affordable Housing Partnerships (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Variable Interest Entity [Line Items] |  |  |  |  |
Fundings |  |  | $ 3,597 | $ 3,950 |
Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Ending balance | $ 19,111 |  | 19,111 |  | $ 21,410
Maximum loss exposure | 19,111 |  | 19,111 |  | 21,410
Affordable Housing Fund Investment | Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Ending balance | 42,818 |  | 42,818 |  | 45,726
Aggregate funding commitment | 72,997 |  | 72,997 |  | 72,967
Total amount funded | 57,290 |  | 57,290 |  | 55,487
Unfunded commitment | 15,707 |  | 15,707 |  | 17,480
Maximum loss exposure | 42,818 |  | 42,818 |  | $ 45,726
Fundings | 1,168 | $ 919 | 1,803 | 2,024 |
Proportional amortization recognized | 1,427 | 1,027 | 2,938 | 2,573 |
Income tax credits recognized | $ 1,688 | $ 1,163 | $ 3,375 | $ 2,536 |

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