Loans and Leases - Aging Analysis of Accruing and Nonaccrual Modified Loans to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	$ 6,826,583	$ 6,567,214
Total loans	6,826,583	6,567,214
Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	19,519	4,863
Total loans	19,519	4,863
Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	1,741
Total loans	0	1,741
Financial Asset, Not Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	6,796,866	6,520,942
Total loans	6,796,866	6,520,942
Financial Asset, Not Past Due | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	19,519	4,863
Total loans	19,519	4,863
Financial Asset, Not Past Due | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Financial Asset, 30 to 89 Days Past Due | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Financial Asset, 30 to 89 Days Past Due | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	321	534
Total loans	321	534
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	1,741
Total loans	0	1,741
Commercial, Financial and Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	1,037,835	989,723
Total loans	1,037,835	989,723
Commercial, Financial and Agricultural [Member] | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	11,592
Total loans	11,592
Commercial, Financial and Agricultural [Member] | Financial Asset, Not Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	1,031,567	985,469
Total loans	1,031,567	985,469
Commercial, Financial and Agricultural [Member] | Financial Asset, Not Past Due | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	11,592
Total loans	11,592
Commercial, Financial and Agricultural [Member] | Financial Asset, 30 to 89 Days Past Due | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0
Total loans	0
Commercial, Financial and Agricultural [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	285
Total loans	0	285
Commercial, Financial and Agricultural [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0
Total loans	0
Real Estate-Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	3,530,451	3,302,798
Total loans	3,530,451	3,302,798
Real Estate-Commercial [Member] | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	7,927	4,863
Total loans	7,927	4,863
Real Estate-Commercial [Member] | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance		1,741
Total loans		1,741
Real Estate-Commercial [Member] | Financial Asset, Not Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	3,524,438	3,294,254
Total loans	3,524,438	3,294,254
Real Estate-Commercial [Member] | Financial Asset, Not Past Due | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	7,927	4,863
Total loans	7,927	4,863
Real Estate-Commercial [Member] | Financial Asset, Not Past Due | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance		0
Total loans		0
Real Estate-Commercial [Member] | Financial Asset, 30 to 89 Days Past Due | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Real Estate-Commercial [Member] | Financial Asset, 30 to 89 Days Past Due | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance		0
Total loans		0
Real Estate-Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Real Estate-Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Accrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	0	0
Real Estate-Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Nonaccrual Modified Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance		1,741
Total loans		1,741
Real Estate-Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	274,483	394,462
Total loans	274,483	394,462
Real Estate-Construction [Member] | Financial Asset, Not Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	270,824	378,328
Total loans	270,824	378,328
Real Estate-Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total ending balance	0	0
Total loans	$ 0	$ 0