Loans and Leases - Nonaccrual (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	$ 13,874	$ 15,369
Nonaccrual With Allowance for Credit Losses	6,481	5,150
Total Nonaccrual	20,355	20,519
Loans and Leases 90 Days or more Past Due and Accruing Interest	268	534
Interest income recognized on nonaccrual loans and leases	70
Commercial, financial and agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	537	332
Nonaccrual With Allowance for Credit Losses	2,839	1,934
Total Nonaccrual	3,376	2,266
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	285
Real estate-commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	3,701	5,687
Nonaccrual With Allowance for Credit Losses	20	22
Total Nonaccrual	3,721	5,709
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Real-Estate Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	2,785	2,931
Nonaccrual With Allowance for Credit Losses	2,953	3,136
Total Nonaccrual	5,738	6,067
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Real estate-residential secured for business purpose
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	1,719	1,090
Nonaccrual With Allowance for Credit Losses	0	0
Total Nonaccrual	1,719	1,090
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Residential secured for personal purpose
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	3,846	4,213
Nonaccrual With Allowance for Credit Losses	0	0
Total Nonaccrual	3,846	4,213
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Real estate-home equity secured for personal purpose
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	1,286	1,116
Nonaccrual With Allowance for Credit Losses	0	0
Total Nonaccrual	1,286	1,116
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Loans to individuals
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	0	0
Nonaccrual With Allowance for Credit Losses	0	0
Total Nonaccrual	0	0
Loans and Leases 90 Days or more Past Due and Accruing Interest	70	37
Lease financings
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual With No Allowance for Credit Losses	0	0
Nonaccrual With Allowance for Credit Losses	669	58
Total Nonaccrual	669	58
Loans and Leases 90 Days or more Past Due and Accruing Interest	$ 198	$ 212