Loans and Allowance for Credit Losses - Financing Receivable, Nonaccrual (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Land development
Loans and Allowance for Credit Losses
Total non-accruing loans	$ 384	$ 468
Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Total non-accruing loans	722	2,216
Commercial real estate
Loans and Allowance for Credit Losses
Total non-accruing loans	1,579	2,006
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	14	34
Consumer other
Loans and Allowance for Credit Losses
Total non-accruing loans	111	63
Home equity lines of credit
Loans and Allowance for Credit Losses
Total non-accruing loans	274	636
Total
Loans and Allowance for Credit Losses
Total non-accruing loans	3,670	5,423
FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Total non-accruing loans	$ 428	$ 1,736