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Loans and Leases - Additional Information (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans and Leases Receivable, Related Parties, Ending Balance	$ 17,600,000	$ 22,900,000
Loans and Leases Receivable, Related Parties, Additions	200,000	11,500,000
Loans and Leases Receivable, Related Parties, Proceeds	5,500,000	0
Decrease to retained earnings	104,285,000	105,648,000	$ 104,634,000	$ 101,892,000	$ 101,231,000	$ 98,624,000
Minimum commitment required for evaluating idividually	500,000
Commitment required for evaluating individually at management discretion	500,000
Loans and leases, allowance for credit losses	10,882,000	10,704,000		11,388,000		10,184,000
Retained Earnings [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Decrease to retained earnings	124,166,000	121,249,000	$ 122,799,000	$ 117,988,000	$ 118,236,000	$ 116,865,000
LHFI [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Accrued interest receivable	$ 3,100,000	$ 3,100,000
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest Receivable	Interest Receivable
Allowance for credit loss	$ 0	$ 0
Reserve for Unfunded Commitments [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans and leases, allowance for credit losses	$ 300,000	$ 400,000
Real Estate [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Percentage of Loan Portfolio	47.10%	49.00%
Pledged as Collateral [Member] \| FHLB Borrowings [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans pledged as collateral	$ 81,800,000	$ 84,400,000
Pledged as Collateral [Member] \| Federal Reserve Bank Advances [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans pledged as collateral	$ 374,800,000	$ 361,600,000