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LOAN SERVICING RIGHTS - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Residential mortgage |  |  |
Contractually Specified Servicing Fees, Late Fees, and Ancillary Fees Earned in Exchange for Servicing Financial Assets [Line Items] |  |  |
Servicing fee income | $ 60.4 | $ 61.8 | $ 70.0
SBA |  |  |
Contractually Specified Servicing Fees, Late Fees, and Ancillary Fees Earned in Exchange for Servicing Financial Assets [Line Items] |  |  |
Servicing fee income | $ 2.2 | $ 2.8 | $ 3.6

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