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Loans and Leases and Allowance for Credit Losses - Loan Modifications to Borrowers Experiencing Financial Difficulty (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | $ 9,970,000 |  | $ 9,970,000 |  |  | $ 7,709,000
Total loans | 4,222,369,000 |  | 4,222,369,000 |  |  | 3,906,340,000
90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans | 6,281,000 |  | 6,281,000 |  |  | 5,338,000
Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total | 169,000 | $ 110,000 | 244,000 | $ 336,000 | $ 543,000 |
Total Nonaccrual Loans |  |  |  |  | 436,000 |
Loan modification, defaulted | 19,000 |  | 19,000 | 0 |  |
Loan modifications made to borrowers experiencing financial difficulty | 1 to 29 Days Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total |  |  |  |  | 107,000 |
Term Extension | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total | 169,000 | $ 110,000 | 244,000 | 336,000 |  |
Loan modification, defaulted | 19,000 |  | 19,000 |  |  |
Commercial Real Estate | Non-owner occupied |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | 719,000 |  | 719,000 |  |  | 514,000
Total loans | 1,136,080,000 |  | 1,136,080,000 |  |  | 1,080,404,000
Commercial Real Estate | Non-owner occupied | 90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans |  |  |  |  |  | 263,000
Commercial Real Estate | Owner occupied |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | 1,929,000 |  | 1,929,000 |  |  | 906,000
Total loans | 1,012,088,000 |  | 1,012,088,000 |  |  | 867,678,000
Commercial Real Estate | Owner occupied | 90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans | 598,000 |  | 598,000 |  |  | 539,000
Commercial Real Estate | Owner occupied | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total |  |  |  | $ 226,000 | 299,000 |
Total Nonaccrual Loans |  |  |  |  | 299,000 |
Weighted-Average (in months) |  | 62 months |  | 64 months |  |
Commercial Real Estate | Owner occupied | Term Extension | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total |  |  |  | $ 226,000 |  |
Consumer Real Estate |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | 1,965,000 |  | 1,965,000 |  |  | 1,995,000
Total loans | 811,150,000 |  | 811,150,000 |  |  | 741,836,000
Consumer Real Estate | 90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans | 833,000 |  | 833,000 |  |  | 764,000
Consumer Real Estate | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total | $ 107,000 | $ 83,000 | $ 163,000 | $ 83,000 | 163,000 |
Total Nonaccrual Loans |  |  |  |  | 56,000 |
Weighted-Average (in months) | 118 months |  | 118 months | 62 months |  |
Consumer Real Estate | Loan modifications made to borrowers experiencing financial difficulty | 1 to 29 Days Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total |  |  |  |  | 107,000 |
Consumer Real Estate | Term Extension | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total | $ 107,000 | 83,000 | $ 163,000 | $ 83,000 |  |
Construction and Land Development |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans |  |  |  |  |  | 39,000
Total loans | 390,691,000 |  | 390,691,000 |  |  | 361,735,000
Commercial and Industrial |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | 1,994,000 |  | 1,994,000 |  |  | 1,820,000
Total loans | 794,751,000 |  | 794,751,000 |  |  | 775,620,000
Commercial and Industrial | 90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans | 1,834,000 |  | 1,834,000 |  |  | 1,636,000
Commercial and Industrial | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total | $ 62,000 | $ 27,000 | $ 81,000 | $ 27,000 | 81,000 |
Total Nonaccrual Loans |  |  |  |  | $ 81,000 |
Weighted-Average (in months) | 61 months | 38 months | 55 months | 38 months |  |
Loan modification, defaulted | $ 19,000 |  | $ 19,000 |  |  |
Commercial and Industrial | Term Extension | Loan modifications made to borrowers experiencing financial difficulty |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total | 62,000 | $ 27,000 | 81,000 | $ 27,000 |  |
Loan modification, defaulted | 19,000 |  | 19,000 |  |  |
Leases |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | 3,311,000 |  | 3,311,000 |  |  | 2,433,000
Total loans | 60,301,000 |  | 60,301,000 |  |  | 64,878,000
Leases | 90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans | 3,015,000 |  | 3,015,000 |  |  | 2,118,000
Consumer and Other |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total Nonaccrual Loans | 52,000 |  | 52,000 |  |  | 2,000
Total loans | 17,308,000 |  | 17,308,000 |  |  | 14,189,000
Consumer and Other | 90 Days or More Past Due |  |  |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |  |  |
Total loans | $ 1,000 |  | $ 1,000 |  |  | $ 18,000

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