COMMITMENTS AND CONTINGENCIES - Schedule of financial instruments with credit risk (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Unused lines of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 117,594	$ 211,285
Standby letters of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	11,597	8,571
Commitments to make loans to sell-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	22,408	13,553
Commitments to make loans-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	11,913	20,895
Unused lines of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	596,467	601,202
Standby letters of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	14,425	16,737
Commitments to make loans-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 11,552	$ 81,663