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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | $ 2,090,354 |  | $ 2,083,256 |  |  |
Allowance for credit losses on loans | (29,853) | $ (29,854) | (30,656) | $ (30,675) | $ (30,675) | $ (25,172)
Loans, net of allowance for credit losses on loans | 2,060,501 |  | 2,052,600 |  |  |
Financing receivable, unamortized loan fee | 2,600 |  | 2,500 |  |  |
Unrecognized purchase discounts | 1,000 |  | 1,100 |  |  |
Financing receivable, accrued interest, net | $ 6,600 |  | $ 6,800 |  |  |
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Interest receivable and other assets |  | Interest receivable and other assets |  |  |
Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | $ 154,303 |  | $ 152,263 |  |  |
Allowance for credit losses on loans | (1,893) | (1,608) | (1,576) | (1,718) | (1,876) | (1,712)
Commercial real estate loans | Commercial owner-occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | 313,996 |  | 321,962 |  |  |
Allowance for credit losses on loans | (2,465) | (2,402) | (2,361) | (2,345) | (2,408) | (2,476)
Commercial real estate loans | Commercial non-owner occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | 1,324,263 |  | 1,273,596 |  |  |
Allowance for credit losses on loans | (21,157) | (21,516) | (22,093) | (22,100) | (22,165) | (14,933)
Commercial real estate loans | Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | 15,869 |  | 36,970 |  |  |
Allowance for credit losses on loans | (229) | (384) | (638) | (660) | (874) | (1,832)
Residential Portfolio Segment | Home equity |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | 95,872 |  | 88,325 |  |  |
Allowance for credit losses on loans | (767) | (783) | (684) | (647) | (650) | (552)
Residential Portfolio Segment | Other residential |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | 122,924 |  | 143,207 |  |  |
Allowance for credit losses on loans | (1,190) | (1,110) | (1,141) | (1,145) | (769) | (653)
Installment and other consumer loans | Installment and other consumer loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Total loans, at amortized cost | 63,127 |  | 66,933 |  |  |
Allowance for credit losses on loans | $ (981) | $ (871) | $ (908) | $ (920) | $ (910) | $ (976)

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