v3.25.2
Fair Value (Quantitative Information About Significant Unobservable Inputs Categorized Within Level 3 Of The Fair Value Hierarchy) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Fair Value $ 597 $ 395
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Fair Value 597 395
Fair Value, Inputs, Level 3 | Collateral Dependent Loans, Net Of Allowance | Collateral Value | Measurement Input, Discounted Appraised Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Asset, Fair Value $ 43,411 $ 39,577
Fair Value, Inputs, Level 3 | Collateral Dependent Loans, Net Of Allowance | Collateral Value | Measurement Input, Discounted Appraised Value | Minimum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Measurement input, collateral dependent loans, net of allowance 0.00% 0.00%
Fair Value, Inputs, Level 3 | Collateral Dependent Loans, Net Of Allowance | Collateral Value | Measurement Input, Discounted Appraised Value | Maximum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Measurement input, collateral dependent loans, net of allowance 28.00% 28.00%
Fair Value, Inputs, Level 3 | Collateral Dependent Loans, Net Of Allowance | Collateral Value | Measurement Input, Discounted Appraised Value | Weighted Average    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Measurement input, collateral dependent loans, net of allowance 3.70% 4.00%
Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments | Secondary Market Pricing | Measurement Input, Closure Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Fair Value $ 597 $ 395
Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments | Secondary Market Pricing | Measurement Input, Closure Rate | Minimum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Measurement Input 0 0
Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments | Secondary Market Pricing | Measurement Input, Closure Rate | Maximum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Measurement Input 1 1
Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments | Secondary Market Pricing | Measurement Input, Closure Rate | Weighted Average    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Measurement Input 0.900 0.901