Loans and Leases - Accruing and Nonaccruing Modified Loans to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025 USD ($) loan	Jun. 30, 2024 USD ($) loan	Jun. 30, 2025 USD ($) loan	Jun. 30, 2024 USD ($) loan
Accrual Modified Loans \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	4	1	7	3
Amortized Cost Basis*	$ 12,514	$ 4,925	$ 19,634	$ 8,138
Related allowance	$ 64	$ 10	$ 73	$ 12
Accrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0	2	0	2
Amortized Cost Basis*	$ 0	$ 7,333	$ 0	$ 7,333
Related allowance	$ 0	$ 98	$ 0	$ 98
Accrual Modified Loans \| Commercial, financial and agricultural \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	4	1	5	1
Amortized Cost Basis*	$ 12,514	$ 4,925	$ 14,624	$ 4,925
Percent of total class of financing receivable	1.19%	0.47%	1.39%	0.47%
Related allowance	$ 64	$ 10	$ 68	$ 10
Accrual Modified Loans \| Commercial, financial and agricultural \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0	2	0	2
Amortized Cost Basis*	$ 0	$ 7,333	$ 0	$ 7,333
Percent of total class of financing receivable	0.00%	0.69%	0.00%	0.69%
Related allowance	$ 0	$ 98	$ 0	$ 98
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	$ 3,213
Percent of total class of financing receivable			0.00%	0.10%
Related allowance			$ 0	$ 2
Accrual Modified Loans \| Real estate-construction \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan			2
Amortized Cost Basis*			$ 5,010
Percent of total class of financing receivable			1.66%
Related allowance			$ 5
Nonaccrual Modified Loans \| Maturity Date Extension
Financing Receivable, Modified Loans [Line Items]
Number of loans \| loan	0	0	0	2
Amortized Cost Basis*	$ 0	$ 0	$ 0	$ 3,523
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	$ 0	$ 0
Related allowance	$ 0	$ 0	$ 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	$ 3,523
Percent of total class of financing receivable			0.00%	1.12%
Related allowance			$ 0	$ 0

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