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COMMITMENTS, GUARANTEES AND CONTINGENCIES - Schedule of Commitments (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Loss Contingencies [Line Items] |  |
Unfunded commitment balance of loans sold on a servicing-retained basis | $ 1,189,762 | $ 1,273,939
Unused consumer portfolio lines |  |
Loss Contingencies [Line Items] |  |
Unfunded commitment balance of loans sold on a servicing-retained basis | 609,930 | 586,904
Commercial portfolio lines |  |
Loss Contingencies [Line Items] |  |
Unfunded commitment balance of loans sold on a servicing-retained basis | 523,415 | 648,609
Commitments to fund loans |  |
Loss Contingencies [Line Items] |  |
Unfunded commitment balance of loans sold on a servicing-retained basis | 56,417 | 38,426
Undisbursed construction loan funds |  |
Loss Contingencies [Line Items] |  |
Unfunded commitment balance of loans sold on a servicing-retained basis | $ 306,000 | $ 403,000

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