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Summary of Significant Accounting Policies (Details) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 08, 2023 USD ($) | Dec. 01, 2023 USD ($) | Sep. 30, 2025 USD ($) branch | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) segment branch | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) segment
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Pre tax gain |  |  | $ 0 | $ 138 | $ 0 | $ 138 |
Liabilities and earn-out payment |  |  |  |  | $ 49 |  | $ 708
Number of reportable segments | segment |  |  |  |  | 1 |  | 1
Accrued interest receivable on loans |  |  | 4,500 |  | $ 4,500 |  | $ 3,900
Accrued interest receivable on available for sale securities |  |  | $ 1,800 |  | $ 1,800 |  | 1,700
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Exchange Underwriters |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Cash transferred |  | $ 30,500 |  |  |  |  |
Pre tax gain | $ 24,600 |  |  |  |  |  | $ 138
Pennsylvania |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Number of branches | branch |  |  | 9 |  | 9 |  |
West Virginia |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Number of branches | branch |  |  | 3 |  | 3 |  |

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