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DERIVATIVES - (Derivative position) (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Derivatives designated as hedges | Interest rate swaps related to client deposits and borrowings |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount, derivative asset | $ 550,000 | $ 700,000
Fair Value, Other Assets |  | 1,530
Fair Value, Other Liabilities | 2,756 | 4,880
Derivatives not designated as hedges | Interest rate swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount, derivative asset | 69,000 | 69,000
Fair Value, Other Assets | 1,298 | 1,157
Fair Value, Other Liabilities | $ 1,298 | $ 1,157

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