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Loans and Leases - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans and Leases Receivable, Related Parties, Ending Balance	$ 11,400,000	$ 1,400,000
Loans and Leases Receivable, Related Parties, Additions	1,400,000	0
Loans and Leases Receivable, Related Parties, Proceeds	1,400,000	0
Decrease to retained earnings	98,624,000	90,593,000		$ 85,135,000
Minimum commitment required for evaluating idividually	500,000
Commitment required for evaluating individually at management discretion	500,000
Related Party [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Line of credit agreement with related party expired	100,000
Retained Earnings [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Decrease to retained earnings	116,865,000	109,959,000		$ 104,460,000
Impact of Adopting CECL [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Transition adjustment increase in allowance for credit losses			$ 2,400,000
Decrease to retained earnings		(1,811,000)
Impact of Adopting CECL [Member] | Retained Earnings [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Decrease to retained earnings	(1,800,000)	(1,811,000)	$ (1,800,000)
LHFI [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Accrued interest receivable	$ 2,800,000	$ 3,300,000
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
Real Estate [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Percentage of Loan Portfolio	56.40%	53.60%
Pledged as Collateral [Member] | FHLB Borrowings [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans pledged as collateral	$ 92,600,000	$ 98,600,000
Pledged as Collateral [Member] | Federal Reserve Bank Advances [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans pledged as collateral	$ 285,200,000	$ 294,400,000

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reflects the amount of new advances made to related parties in the form of loan and lease receivables.

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Amount of cash inflow from related parties which reduce the amount of loans and leases receivable due from related parties.

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