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Derivative Instruments - Narrative (Details) - USD ($)
Sep. 07, 2018
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2023
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]        
Derivatives designated as fair value hedges   $ 0 $ 0  
Interest Rate Swaps        
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]        
Cash collateral pledged   1,300,000 173,000  
Cash collateral received   $ 2,600,000 0  
Basis spread on variable rate (percent)   0.11448%   0.11448%
Risk Participation Agreement        
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]        
Derivative, fair value   $ 18,000 11,000  
Risk Participation Agreement | Financial Institution        
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]        
Notional amount   53,100,000 21,300,000  
Risk Participation Agreement | Other Financial Institutions        
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]        
Notional amount   $ 28,700,000 $ 25,500,000  
Unsecured Debt        
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]        
Term of contract 5 years      
Cash flow hedges $ 10,000,000.0