Loans and Allowance for Loan Losses - Non-accrual Loans Segregated by Class (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	$ 429	$ 588
Commercial
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	110	122
Residential
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	175	178
Secured
Financing Receivable, Past Due [Line Items]
Total non-accrual loans	$ 144	$ 288