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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Interest Rate Swap | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Variable rate, commercial loans that are supported by the interest rate swap contracts | $ 1,010,000 | $ 719,200
Interest Rate Swap | Cash Flow Hedging | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 500,000 | 500,000
Prime Loan Swap | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 300,000 |
Prime Loan Swap | Cash Flow Hedging |  |
Derivative [Line Items] |  |
Notional amount | 300,000 | 300,000
SOFR Loan Swap | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 200,000 |
SOFR Loan Swap | Cash Flow Hedging |  |
Derivative [Line Items] |  |
Notional amount | $ 200,000 | $ 200,000

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