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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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