COMMITMENTS AND CONTINGENCIES - Schedule of financial instruments with credit risk (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Unused lines of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 46,165	$ 45,982
Standby letters of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	11,401	10,845
Commitments to make loans to sell-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	60,208	38,378
Commitments to make loans-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	33,268	20,316
Unused lines of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	509,839	506,809
Standby letters of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	13,899	11,665
Commitments to make loans-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 25,266	$ 20,212