Allowance for Credit Losses - Recorded Investments in Nonperforming Loans (Details) - Nonperforming Loans - USD ($) $ in Thousands	Mar. 31, 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	$ 1,184	$ 1,157
Non-accrual	10,920	11,554
Nonaccrual With No Allowance For Credit Loss	4,638	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	1,503	2,137
Nonaccrual With No Allowance For Credit Loss	972	254
Farmland | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	584	461
Nonaccrual With No Allowance For Credit Loss	456
Non Farm, Non Residential | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	1,803	2,064
Nonaccrual With No Allowance For Credit Loss	1,791	2,052
Agriculture | Commercial
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	184	186
Nonaccrual With No Allowance For Credit Loss	155	155
All Other Commercial | Commercial
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	297
Non-accrual	24	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	766	666
Non-accrual	1,205	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	41	180
Non-accrual	73	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	80	197
Non-accrual	220	256
Multifamily | Residential
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	1,459	1,468
Nonaccrual With No Allowance For Credit Loss	1,264
All Other Residential | Residential
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	465	478
Motor Vehicle | Consumer
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	2,993	2,549
All Other Consumer | Consumer
Aging of recorded investment in loans by past due category and class of loans
Non-accrual	$ 407	$ 416