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Securities - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Gross realized losses on the sale of debt securities $ (11,757,000) $ 0 $ (11,757,000) $ 0  
Gross unrealized losses on the sale of debt securities   $ 0   $ 0  
Mortgaged Back And Municipal Securities          
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Sale of low yielding securities     $ 117,800,000    
Average yield 2.87%   2.87%    
Mortgage Backed And Collateralized Mortgage Obligation Securities          
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Average yield 5.43%   5.43%    
Purchase of high yield securities     $ 117,800,000    
Public Funds and Sweep Deposits          
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Investment securities, available-for-sale, pledged $ 247,900,000   247,900,000   $ 251,300,000
Public Deposits, Short Term Borrowings and Other          
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Investment securities, available-for-sale, pledged $ 179,300,000   $ 179,300,000   $ 176,200,000