LOANS AND ALLOWANCE FOR CREDIT LOSSES - Collateral dependent loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Collateral-dependent loans
Total	$ 881,038	$ 858,469	$ 845,675
Real Estate
Collateral-dependent loans
Total	4,385
Other
Collateral-dependent loans
Total	933
Real Estate
Collateral-dependent loans
Total	784,126	764,880
Real Estate | Real Estate
Collateral-dependent loans
Total	4,385
Agricultural
Collateral-dependent loans
Total	708	860
Agricultural | Other
Collateral-dependent loans
Total	309
Commercial and Industrial
Collateral-dependent loans
Total	62,866	$ 56,077
Commercial and Industrial | Other
Collateral-dependent loans
Total	$ 624