Loans and Allowance for Loan Losses - Schedule of Non-accrual and Accruing Past Due Loans, Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	$ 9,806	$ 10,030
Accruing loans past due more than 90 days	387	278
Real Estate | Non-Farm Non-Residential Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	964	1,008
Real Estate | Non-Farm Non-Residential Non-Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	323	346
Real Estate | Residential
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	116	127
Real Estate | Construction, Development & Other
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	232	244
Commercial & Industrial
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	8,165	8,297
Accruing loans past due more than 90 days	387	278
Purchased Credit Impaired
Accounts Notes And Loans Receivable [Line Items]
Non-accrual	$ 6	$ 8