Loans and Leases - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	$ 6,123,230	$ 5,310,017
Commercial, Financial and Agricultural [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	1,086,781	956,396
Paycheck Protection Program Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	2,147	31,748
Real Estate-Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	3,027,955	2,718,535
Real Estate-Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	381,811	283,918
Real Estate-Residential Secured for Business Purpose [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	478,254	409,900
Real Estate-Residential Secured for Personal Purpose [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	730,395	540,566
Real Estate-Home Equity Secured for Personal Purpose [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	176,699	158,909
Loans to Individuals [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	27,873	25,504
Lease Financings [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases held for investment	$ 211,315	$ 184,541