FAIR VALUE - Summary of Level 3 Fair Value Measurement Activity (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Interest rate lock commitments on residential mortgages
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 38	$ 20
Total gains included in earnings	25	93
Balance, end of period	63	113
Collateralized Mortgage Obligations
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	15,328	16,920
Unrealized losses included in OCI	(182)	(539)
Purchases	4,860	0
Net discount accretion	52	13
Principal payments and other	(1,707)	(129)
Transfers into level 3	7,182	0
Transfers out of level 3	(8,423)	0
Balance, end of period	$ 17,110	$ 16,265