COMMITMENTS AND CONTINGENCIES - Schedule of financial instruments with credit risk (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Unused lines of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 68,902	$ 86,398
Standby letters of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	15,425	13,922
Commitments to make loans to sell-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	38,240	18,917
Commitments to make loans-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	1,303	5,275
Unused lines of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	511,728	540,255
Standby letters of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	13,425	12,094
Commitments to make loans-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 18,786	$ 7,115