LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Impaired Loans, Excluding Purchased Impaired (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Impaired loans
Loans with allowance allocation	$ 3,484		$ 3,484		$ 0
Loans without allowance allocation	1,055		1,055		3,163
Carrying balance	4,539		4,539		3,163
Contractual balance	4,555		4,555		4,201
Specifically allocated allowance	470		470		$ 0
Average carrying balance of individually assessed loans	4,500	$ 3,200	6,600	$ 12,200
Interest income on individually assessed loans	0	$ 0	0	$ 0
Minimum
Impaired loans
Threshold balance of loans individually evaluated for impairment	$ 500		$ 500