Loans and Allowance for Credit Losses on Loans - Schedule of Collateral-Dependent Non-Accrual Loans (Details) - USD ($)	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	$ 22,464,000	$ 22,823,000	$ 30,089,000	$ 29,854,000	$ 29,906,000	$ 30,656,000
Nonaccrual collateral dependent loans in process of foreclosure	$ 0		$ 0
Weighted average ratio of loans value to collateral dependent loans value	66.00%		106.00%
Commercial Real Estate Loans \| Commercial real estate, owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	$ 2,249,000	2,452,000	$ 2,454,000	2,402,000	2,319,000	2,361,000
Commercial Real Estate Loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	14,114,000	14,327,000	21,477,000	21,516,000	21,761,000	22,093,000
Residential Portfolio Segment \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	784,000	764,000	803,000	783,000	698,000	684,000
Residential Portfolio Segment \| Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	902,000	974,000	1,079,000	1,110,000	1,074,000	1,141,000
Installment and other consumer \| Installment and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses	758,000	$ 745,000	803,000	$ 871,000	$ 884,000	$ 908,000
Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	8,448,000		26,174,000
Allowance for Credit Losses	17,000		7,244,000
Collateral Pledged \| Commercial Real Estate Loans \| Commercial real estate, owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			314,000
Allowance for Credit Losses			0
Collateral Pledged \| Commercial Real Estate Loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	8,118,000		25,387,000
Allowance for Credit Losses	0		7,226,000
Collateral Pledged \| Residential Portfolio Segment \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	219,000		401,000
Allowance for Credit Losses	0		0
Collateral Pledged \| Residential Portfolio Segment \| Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	67,000		72,000
Allowance for Credit Losses	15,000		18,000
Collateral Pledged \| Installment and other consumer \| Installment and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	44,000
Allowance for Credit Losses	2,000
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	8,118,000		25,701,000
Commercial Real Estate \| Commercial Real Estate Loans \| Commercial real estate, owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			314,000
Commercial Real Estate \| Commercial Real Estate Loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	8,118,000		25,387,000
Commercial Real Estate \| Residential Portfolio Segment \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Commercial Real Estate \| Residential Portfolio Segment \| Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Commercial Real Estate \| Installment and other consumer \| Installment and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	286,000		473,000
Residential Real Estate \| Commercial Real Estate Loans \| Commercial real estate, owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			0
Residential Real Estate \| Commercial Real Estate Loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Residential Real Estate \| Residential Portfolio Segment \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	219,000		401,000
Residential Real Estate \| Residential Portfolio Segment \| Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	67,000		72,000
Residential Real Estate \| Installment and other consumer \| Installment and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	44,000		0
Other \| Commercial Real Estate Loans \| Commercial real estate, owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans			0
Other \| Commercial Real Estate Loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Other \| Residential Portfolio Segment \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		0
Other \| Residential Portfolio Segment \| Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0		$ 0
Other \| Installment and other consumer \| Installment and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 44,000