Allowance for Credit Losses - Recorded Investments in Nonperforming Loans (Details) - Nonperforming Loans - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	$ 700	$ 1,157
Non-accrual	12,616	11,554
Nonaccrual With No Allowance For Credit Loss	6,583	2,461
Commercial & Industrial | Commercial
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing		114
Non-accrual	1,536	2,137
Nonaccrual With No Allowance For Credit Loss	933	254
Farmland | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	2,070	461
Nonaccrual With No Allowance For Credit Loss	1,662
Non Farm, Non Residential | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	1,641	2,064
Nonaccrual With No Allowance For Credit Loss	1,530	2,052
Agriculture | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	1,242	186
Nonaccrual With No Allowance For Credit Loss	1,208	155
All Other Commercial | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	22	26
First Liens | Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	454	666
Non-accrual	998	1,380
Home Equity | Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	106	180
Non-accrual	72	133
Junior Liens | Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	140	197
Non-accrual	218	256
Multifamily | Residential
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	1,430	1,468
Nonaccrual With No Allowance For Credit Loss	1,250
All Other Residential | Residential
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	449	478
Motor Vehicle | Consumer
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	2,602	2,549
All Other Consumer | Consumer
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	$ 336	$ 416