Loans and Leases - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	$ 13,353	$ 33,210
Commercial, Financial and Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	5,072	448
Real Estate-Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	4,537	27,900
Real Estate-Residential Secured for Business Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	1,013	2,187
Real Estate-Residential Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	1,989	2,049
Real Estate-Home Equity Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	740	545
Lease Financings [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	2	81
Real Estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	11,022	32,954
Real Estate [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	2,743	273
Real Estate [Member] | Real Estate-Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	4,537	27,900
Real Estate [Member] | Real Estate-Residential Secured for Business Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	1,013	2,187
Real Estate [Member] | Real Estate-Residential Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	1,989	2,049
Real Estate [Member] | Real Estate-Home Equity Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	740	545
Real Estate [Member] | Lease Financings [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
Other [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	2	81
Other [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
Other [Member] | Real Estate-Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
Other [Member] | Real Estate-Residential Secured for Business Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
Other [Member] | Real Estate-Residential Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
Other [Member] | Real Estate-Home Equity Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
Other [Member] | Lease Financings [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	2	81
None [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	2,329	175
None [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	2,329	175
None [Member] | Real Estate-Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
None [Member] | Real Estate-Residential Secured for Business Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
None [Member] | Real Estate-Residential Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
None [Member] | Real Estate-Home Equity Secured for Personal Purpose [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	0	0
None [Member] | Lease Financings [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual loans	$ 0	$ 0