LOANS AND ALLOWANCE FOR CREDIT LOSSES - Non-accruing loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	$ 10,831	$ 3,670
Land development
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	384	384
Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	242	722
Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	10,131	1,579
Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans		586
Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	9	14
Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	33	111
Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	$ 32	$ 274