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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($) quarter | Dec. 31, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Valuation period | quarter |  | 7 |
Forecasting revision period |  | 1 year |
Commercial and industrial |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing receivable, nonaccrual, medallion loans, fair value | $ 0.3 | $ 0.3 | $ 0.4
Financing receivable, nonaccrual, medallion loans, contractual balance | 6.6 | $ 6.6 | $ 8.8
Held For Sale | Consumer other | Consumer |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing receivable, reclassification, held for sale | $ 44.6 |  |

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