Loans and Leases - Nonperforming Loans and Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	$ 20,355	$ 20,519
Loans and Leases 90 Days or more Past Due and Accruing Interest	268	534
Financing receivable, nonaccrual including loans held-for-sale	20,363	20,527
Total Nonperforming Loans and Leases	20,631	21,061
Loans held for sale
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	8	8
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Nonperforming Loans and Leases	8	8
Commercial, financial and agricultural
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	3,376	2,266
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	285
Total Nonperforming Loans and Leases	3,376	2,551
Real estate-commercial
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	3,721	5,709
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Nonperforming Loans and Leases	3,721	5,709
Real estate-construction
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	5,738	6,067
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Nonperforming Loans and Leases	5,738	6,067
Real estate-residential secured for business purpose
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	1,719	1,090
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Nonperforming Loans and Leases	1,719	1,090
Real estate-residential secured for personal purpose
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	3,846	4,213
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Nonperforming Loans and Leases	3,846	4,213
Real estate-home equity secured for personal purpose
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	1,286	1,116
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Nonperforming Loans and Leases	1,286	1,116
Loans to individuals
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	0	0
Loans and Leases 90 Days or more Past Due and Accruing Interest	70	37
Total Nonperforming Loans and Leases	70	37
Lease financings
Nonperforming Loans And Leases [Line Items]
Nonaccrual Loans and Leases	669	58
Loans and Leases 90 Days or more Past Due and Accruing Interest	198	212
Total Nonperforming Loans and Leases	$ 867	$ 270