Amount of financing receivable modified as troubled debt restructuring.

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Allowance for Credit Losses - Investment in non-performing loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, Troubled Debt Restructuring	$ 3,947	$ 4,146	$ 4,799	$ 4,489	$ 4,460	$ 4,206
Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	1,235		543
Nonaccrual	9,147		9,590
Nonaccrual With No Allowance For Credit Loss	3,398		4,593
Commercial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, Troubled Debt Restructuring	653	672	407
Commercial \| Commercial & Industrial \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	242		14
Nonaccrual	1,647		1,950
Nonaccrual With No Allowance For Credit Loss	322		1,662
Commercial \| Farmland \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Nonaccrual	287		15
Nonaccrual With No Allowance For Credit Loss	272
Commercial \| Non Farm, Non Residential \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Nonaccrual	2,456		2,911
Nonaccrual With No Allowance For Credit Loss	2,443		2,898
Commercial \| Agriculture \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Nonaccrual	393		111
Nonaccrual With No Allowance For Credit Loss	361
Commercial \| All Other Commercial \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	15
Nonaccrual	28		4
Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, Troubled Debt Restructuring	3,294	$ 3,474	3,686	3,813	3,904	3,589
Residential \| First Liens \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	480		346
Nonaccrual	1,599		2,339
Nonaccrual With No Allowance For Credit Loss			33
Residential \| Home Equity \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Nonaccrual	140		84
Residential \| Junior Liens \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	95		89
Nonaccrual	263		294
Residential \| Multifamily \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Nonaccrual	204		225
Residential \| All Other Residential \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Nonaccrual	108		107
Consumer
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, Troubled Debt Restructuring			706	$ 676	$ 556	$ 617
Consumer \| Motor Vehicle \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	402		94
Nonaccrual	1,492		864
Consumer \| All Other Consumer \| Nonperforming Loans
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	1
Nonaccrual	$ 530		$ 686