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Loans and Allowance for Credit Losses on Loans - Schedule of Collateral-Dependent Non-Accrual Loans (Details) - USD ($)	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	$ 29,853,000	$ 29,854,000	$ 30,656,000	$ 30,675,000	$ 30,675,000	$ 25,172,000
Nonaccrual collateral dependent loans in process of foreclosure	$ 0		$ 0
Weighted average ratio of loans value to collateral dependent loans value	104.00%		115.00%
Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 29,304,000		$ 31,088,000
Allowance for Credit Losses	7,343,000		8,000,000
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	27,566,000		30,114,000
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,738,000		752,000
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		222,000
Commercial real estate loans | Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	2,465,000	2,402,000	2,361,000	2,345,000	2,408,000	2,476,000
Commercial real estate loans | Commercial owner-occupied | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,554,000		1,537,000
Allowance for Credit Losses	0		0
Commercial real estate loans | Commercial owner-occupied | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,554,000		1,537,000
Commercial real estate loans | Commercial owner-occupied | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Commercial real estate loans | Commercial owner-occupied | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Commercial real estate loans | Commercial non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	21,157,000	21,516,000	22,093,000	22,100,000	22,165,000	14,933,000
Commercial real estate loans | Commercial non-owner occupied | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	26,012,000		28,525,000
Allowance for Credit Losses	7,307,000		7,933,000
Commercial real estate loans | Commercial non-owner occupied | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	26,012,000		28,525,000
Commercial real estate loans | Commercial non-owner occupied | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Commercial real estate loans | Commercial non-owner occupied | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Commercial Portfolio Segment | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	1,893,000	1,608,000	1,576,000	1,718,000	1,876,000	1,712,000
Commercial Portfolio Segment | Commercial and industrial | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			52,000
Allowance for Credit Losses			52,000
Commercial Portfolio Segment | Commercial and industrial | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			52,000
Commercial Portfolio Segment | Commercial and industrial | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			0
Commercial Portfolio Segment | Commercial and industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			0
Residential Portfolio Segment | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	767,000	783,000	684,000	647,000	650,000	552,000
Residential Portfolio Segment | Home equity | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,456,000		752,000
Allowance for Credit Losses	0
Residential Portfolio Segment | Home equity | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Residential Portfolio Segment | Home equity | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,456,000		752,000
Residential Portfolio Segment | Home equity | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Residential Portfolio Segment | Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	1,190,000	1,110,000	1,141,000	1,145,000	769,000	653,000
Residential Portfolio Segment | Other residential | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	282,000
Allowance for Credit Losses	36,000
Residential Portfolio Segment | Other residential | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Residential Portfolio Segment | Other residential | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	282,000
Residential Portfolio Segment | Other residential | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Installment and other consumer loans | Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	$ 981,000	$ 871,000	908,000	$ 920,000	$ 910,000	$ 976,000
Installment and other consumer loans | Installment and other consumer loans | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			222,000
Allowance for Credit Losses			15,000
Installment and other consumer loans | Installment and other consumer loans | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			0
Installment and other consumer loans | Installment and other consumer loans | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			0
Installment and other consumer loans | Installment and other consumer loans | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			$ 222,000

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