Loans and Leases - Accruing and Nonaccruing Modified Loans to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($) loan	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($) loan
Accrual Modified Loans \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	4	0	8	3
Amortized Cost Basis*	$ 6,551	$ 0	$ 16,462	$ 8,137
Related allowance	$ 23	$ 0	$ 50	$ 24
Accrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0	0	0	2
Amortized Cost Basis*			$ 0	$ 7,167
Related allowance			$ 0	$ 32
Accrual Modified Loans \| Commercial, financial and agricultural \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	2	0	6	1
Amortized Cost Basis*	$ 1,380	$ 0	$ 11,291	$ 4,925
Percent of total class of financing receivable	0.14%	0.00%	1.13%	0.47%
Related allowance	$ 12	$ 0	$ 39	$ 23
Accrual Modified Loans \| Commercial, financial and agricultural \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0		0	2
Amortized Cost Basis*			$ 0	$ 7,167
Percent of total class of financing receivable			0.00%	0.69%
Related allowance			$ 0	$ 32
Accrual Modified Loans \| Real estate-construction \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	2	0	2
Amortized Cost Basis*	$ 5,171	$ 0	$ 5,171
Percent of total class of financing receivable	1.67%	0.00%	1.67%
Related allowance	$ 11	$ 0	$ 11
Accrual Modified Loans \| Real estate-construction \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0		0
Accrual Modified Loans \| Real estate-commercial \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan			0	2
Amortized Cost Basis*			$ 0	$ 3,212
Percent of total class of financing receivable			0.00%	0.09%
Related allowance			$ 0	$ 1
Accrual Modified Loans \| Real estate-commercial \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan				0
Nonaccrual Modified Loans \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	3	0	3	2
Amortized Cost Basis*	$ 13,853	$ 0	$ 13,853	$ 2,799
Related allowance	$ 0	$ 0	$ 0	$ 0
Nonaccrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0	0	0	0
Amortized Cost Basis*			$ 0	$ 0
Related allowance			$ 0	$ 0
Nonaccrual Modified Loans \| Commercial, financial and agricultural \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	1	0	1	0
Amortized Cost Basis*	$ 1,485	$ 0	$ 1,485	$ 0
Percent of total class of financing receivable	0.15%	0.00%	0.15%	0.00%
Related allowance	$ 0	$ 0	$ 0	$ 0
Nonaccrual Modified Loans \| Commercial, financial and agricultural \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0		0
Nonaccrual Modified Loans \| Real estate-construction \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan			0	2
Amortized Cost Basis*			$ 0	$ 2,799
Percent of total class of financing receivable			0.00%	0.98%
Related allowance			$ 0	$ 0
Nonaccrual Modified Loans \| Real estate-construction \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan
Nonaccrual Modified Loans \| Real estate-commercial \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	2	0	2	0
Amortized Cost Basis*	$ 12,368	$ 0	$ 12,368	$ 0
Percent of total class of financing receivable	0.35%	0.00%	0.35%	0.00%
Related allowance	$ 0	$ 0	$ 0	$ 0
Nonaccrual Modified Loans \| Real estate-commercial \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0		0

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