Loans and Allowance for Credit Losses - Non-accruing loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	$ 11,748	$ 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	722	722
Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	10,552	1,579
Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	31	586
Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	8	14
Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	42	111
Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total non-accruing loans	$ 9	$ 274