Loans and Allowance for Credit Losses - Impaired Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Unpaid Principal Balance	$ 4,878	$ 5,202
Specific Allowance	218	495
Commercial Real Estate
Unpaid Principal Balance	1,979	2,217
Specific Allowance	121	397
Home Equity Line of Credit
Unpaid Principal Balance	371	377
Land development
Unpaid Principal Balance	468	468
Owner occupied one- to four-family residential
Unpaid Principal Balance	1,900	1,980
Specific Allowance	17	18
Consumer
Unpaid Principal Balance	160	160
Specific Allowance	$ 80	$ 80