Fair Value (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Assets
Investment securities available-for-sale	$ 520,659	$ 526,251
Mortgage loans held for sale	58,325	17,986
Carrying Amount
Assets
Investment securities available-for-sale	520,659	526,251
Mortgage loans held for sale	57,662	17,775
Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	351	72
Forward Commitments For Sale Of Mortgage Loans | Carrying Amount
Liabilities
Derivative liability	351	72
Interest Rate Lock Commitments
Assets
Derivative Asset	272	395
Interest Rate Lock Commitments | Carrying Amount
Assets
Derivative Asset	272	395
REMIC's
Assets
Investment securities available-for-sale	455,368	449,401
Fannie Mae Certificates
Assets
Investment securities available-for-sale	2,719	2,945
Loans Held-For-Sale Subject To Pending Agency Contracts
Assets
Mortgage loans held for sale	22,861	10,713
Quoted Prices In Active Markets For Identical Assets (Level 1)
Assets
Investment securities available-for-sale	0	0
Mortgage loans held for sale	0	0
Quoted Prices In Active Markets For Identical Assets (Level 1) | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	0	0
Quoted Prices In Active Markets For Identical Assets (Level 1) | Interest Rate Lock Commitments
Assets
Derivative Asset	0	0
Significant Other Observable Inputs (Level 2)
Assets
Investment securities available-for-sale	520,659	526,251
Mortgage loans held for sale	58,325	17,986
Significant Other Observable Inputs (Level 2) | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	351	72
Significant Other Observable Inputs (Level 2) | Interest Rate Lock Commitments
Assets
Derivative Asset	0	0
Significant Unobservable Inputs (Level 3)
Assets
Investment securities available-for-sale	0	0
Mortgage loans held for sale	0	0
Significant Unobservable Inputs (Level 3) | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	0	0
Significant Unobservable Inputs (Level 3) | Interest Rate Lock Commitments
Assets
Derivative Asset	272	395
Fair Value, Measurements, Recurring
Assets
Mortgage loans held for sale	22,861	10,713
Total	543,792	537,359
Liabilities
Total	351	72
Fair Value, Measurements, Recurring | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	351	72
Fair Value, Measurements, Recurring | Interest Rate Lock Commitments
Assets
Derivative Asset	272	395
Fair Value, Measurements, Recurring | REMIC's
Assets
Investment securities available-for-sale	455,368	449,401
Fair Value, Measurements, Recurring | Fannie Mae Certificates
Assets
Investment securities available-for-sale	2,719	2,945
Fair Value, Measurements, Recurring | US Treasury Notes Securities
Assets
Investment securities available-for-sale	53,955	72,776
Fair Value, Measurements, Recurring | Freddie Mac certificates
Assets
Investment securities available-for-sale	8,617	1,129
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1)
Assets
Mortgage loans held for sale	0	0
Total	0	0
Liabilities
Total	0	0
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1) | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	0	0
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1) | Interest Rate Lock Commitments
Assets
Derivative Asset	0	0
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1) | REMIC's
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1) | Fannie Mae Certificates
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1) | US Treasury Notes Securities
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1) | Freddie Mac certificates
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Mortgage loans held for sale	22,861	10,713
Total	543,520	536,964
Liabilities
Total	351	72
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	351	72
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest Rate Lock Commitments
Assets
Derivative Asset	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | REMIC's
Assets
Investment securities available-for-sale	455,368	449,401
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Fannie Mae Certificates
Assets
Investment securities available-for-sale	2,719	2,945
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | US Treasury Notes Securities
Assets
Investment securities available-for-sale	53,955	72,776
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Freddie Mac certificates
Assets
Investment securities available-for-sale	8,617	1,129
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Assets
Mortgage loans held for sale	0	0
Total	272	395
Liabilities
Total	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Forward Commitments For Sale Of Mortgage Loans
Liabilities
Derivative liability	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Interest Rate Lock Commitments
Assets
Derivative Asset	272	395
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | REMIC's
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fannie Mae Certificates
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | US Treasury Notes Securities
Assets
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Freddie Mac certificates
Assets
Investment securities available-for-sale	$ 0	$ 0