Loans and Allowance for Loan Losses - Schedule of Gross Contractual Amounts Receivable Balances By Portfolio Segment PCI Loans (Details) - PCI Loans - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Total outstanding balances	$ 6,041	$ 6,236
Carrying amount	4,891	4,984
Real Estate Loan Portfolio Segment | Non-Farm Non-Residential Non-Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Total outstanding balances	784	820
Real Estate Loan Portfolio Segment | Residential
Accounts Notes And Loans Receivable [Line Items]
Total outstanding balances	83	181
Real Estate Loan Portfolio Segment | Construction, Development & Other
Accounts Notes And Loans Receivable [Line Items]
Total outstanding balances	5,114	5,169
Commercial & Industrial
Accounts Notes And Loans Receivable [Line Items]
Total outstanding balances	$ 60	$ 66