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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Amount of Gain (Loss) recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income | $ 1,413 | $ 63 | $ (899) | $ (892)
Amount of Gain (Loss) Recognized in Income | (264) | 590 | (270) | 1,934
Designated as hedging instrument | Cash flow hedges |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income | 339 | 205 | 794 | (510)
Amount of Gain (Loss) Recognized in Income | (466) | 240 | (1,111) | 725
Designated as hedging instrument | Cash flow hedges | Interest rate swap on wholesale funding |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income |  | (706) | (200) | (1,572)
Amount of Gain (Loss) Recognized in Income |  | 828 | 269 | 2,483
Designated as hedging instrument | Cash flow hedges | Interest rate swap on variable rate loans |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income | 339 | 911 | 994 | 1,062
Amount of Gain (Loss) Recognized in Income | (466) | (588) | (1,380) | (1,758)
Designated as hedging instrument | Fair Value Hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income | 1,074 | (142) | (1,693) | (382)
Amount of Gain (Loss) Recognized in Income | 281 | 372 | 834 | 1,113
Designated as hedging instrument | Fair Value Hedging | Interest rate swap on deposits |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income | 1,074 | (142) | (1,693) | (382)
Amount of Gain (Loss) Recognized in Income | 281 | 372 | 834 | 1,113
Designated as hedging instrument | Economic hedges |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | 48 | (23) | (19) | 12
Designated as hedging instrument | Economic hedges | Forward sale commitments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | 48 | (23) | (19) | 12
Not designated as hedging instrument |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | (127) | 1 | 26 | 84
Not designated as hedging instrument | Interest Rate Lock Commitment |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | $ (127) | $ 1 | $ 26 | $ 84

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