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Borrowed Funds - Subordinated Debt (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Subordinated Borrowing [Line Items]    
Interest rate 3.25% 3.25%
Subordinated debt, net of unamortized issuance costs $ 29,492 $ 29,424
Stated interest rate (percent) 3.25%  
Subordinated Debt    
Subordinated Borrowing [Line Items]    
Principal $ 30,000 30,000
Unamortized issuance costs, amount $ (508) $ (576)