BORROWINGS - Schedule of Long-term Borrowings (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($) note	Dec. 31, 2025 USD ($) note
Debt Instrument [Line Items]
Finance lease liabilities	$ 6,178	$ 6,223
Total long-term borrowings	$ 123,467	$ 113,806
Weighted average rate for securities sold under agreements to repurchase	2.40%	2.22%
FHLB borrowings
Debt Instrument [Line Items]
Total long-term borrowings	$ 114,078	$ 102,792
Number of notes | note	17	15
Weighted average rate for securities sold under agreements to repurchase	2.49%	2.43%
Debt, weighted average maturity period	1 year 8 months 12 days	1 year 11 months 15 days
Secured borrowings
Debt Instrument [Line Items]
Total long-term borrowings	$ 3,211	$ 4,791
Number of notes | note	6	7
Debt, weighted average maturity period	15 years 4 months 13 days	17 years 3 days