DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Amount of Gain (Loss) recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Other Comprehensive Income	$ (295)	$ (1,470)
Amount of Gain (Loss) Recognized in Income	(37)	80
Designated as hedging instrument \| Cash flow hedges
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Other Comprehensive Income	254	182
Amount of Gain (Loss) Recognized in Income	(339)	(203)
Designated as hedging instrument \| Cash flow hedges \| Interest rate swap on wholesale funding
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Other Comprehensive Income		(188)
Amount of Gain (Loss) Recognized in Income		252
Designated as hedging instrument \| Cash flow hedges \| Interest rate swap on variable rate loans
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Other Comprehensive Income	254	370
Amount of Gain (Loss) Recognized in Income	(339)	(455)
Designated as hedging instrument \| Fair Value Hedging
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Other Comprehensive Income	(549)	(1,652)
Amount of Gain (Loss) Recognized in Income	210	275
Designated as hedging instrument \| Fair Value Hedging \| Interest rate swap on deposits
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Other Comprehensive Income	(549)	(1,652)
Amount of Gain (Loss) Recognized in Income	210	275
Designated as hedging instrument \| Economic hedges
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Income	42	(21)
Designated as hedging instrument \| Economic hedges \| Forward sale commitments
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Income	42	(21)
Not designated as hedging instrument
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Income	50	29
Not designated as hedging instrument \| Interest Rate Lock Commitment
DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES
Amount of Gain (Loss) Recognized in Income	$ 50	$ 29

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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