DERIVATIVES AND HEDGING ACTIVITIES - Fair Value Hedges Narrative (Details) - Fair value hedges - Designated as Hedging Instrument - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
DERIVATIVES AND HEDGING ACTIVITIES
Clearing house related to the fair value derivatives	$ 2,700	$ 6,500
Interest Rate Swaps
DERIVATIVES AND HEDGING ACTIVITIES
Average fixed interest rate	4.82%
Mortgage loans - Amortized Cost	$ 692,200	729,500
Last-of-layer in the open hedge relationship	500,000	500,000
Basis adjustment associated with the hedge	2,600	6,600
Interest income from swap transaction	$ 1,600	$ 561