LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Impaired Loans, Excluding Purchased Impaired (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Impaired loans
Loans with allowance allocation	$ 3,484	$ 0
Loans without allowance allocation	15,750	3,163
Carrying balance	19,234	3,163
Contractual balance	19,249	4,201
Specifically allocated allowance	470	0
Average carrying balance of individually assessed loans	$ 20,200	12,200
Interest income on individually assessed loans		$ 0	$ 0