Fair Value (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Assets:
Investment securities, available for sale	$ 525,212	$ 526,251
Mortgage loans held for sale	31,010	17,986
Derivative	597	395
Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	160	72
REMIC's
Assets:
Investment securities, available for sale	459,937	449,401
Fannie Mae Certificates
Assets:
Investment securities, available for sale	2,739	2,945
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
Derivative	0	0
Quoted Prices In Active Markets For Identical Assets (Level 1) \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	0	0
Significant Other Observable Inputs (Level 2)
Assets:
Investment securities, available for sale	525,212	526,251
Mortgage loans held for sale	31,010	17,986
Derivative	0	0
Significant Other Observable Inputs (Level 2) \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	160	72
Significant Unobservable Inputs (Level 3)
Assets:
Investment securities, available for sale	0	0
Mortgage loans held for sale	0	0
Derivative	597	395
Significant Unobservable Inputs (Level 3) \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	0	0
Fair Value, Measurements, Recurring
Assets:
Mortgage loans held for sale	29,303	10,713
Total	555,112	537,359
Total Liabilities	160	72
Fair Value, Measurements, Recurring \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	160	72
Fair Value, Measurements, Recurring \| Interest Rate Lock Commitments
Assets:
Derivative	597	395
Fair Value, Measurements, Recurring \| REMIC's
Assets:
Investment securities, available for sale	459,937	449,401
Fair Value, Measurements, Recurring \| Fannie Mae Certificates
Assets:
Investment securities, available for sale	2,739	2,945
Fair Value, Measurements, Recurring \| Freddie Mac Securities
Assets:
Investment securities, available for sale	8,533	1,129
Fair Value, Measurements, Recurring \| US Treasury Notes Securities
Assets:
Investment securities, available for sale	54,003	72,776
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
Total Liabilities	0	0
Fair Value, Measurements, Recurring \| Quoted Prices In Active Markets For Identical Assets (Level 1) \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	0	0
Fair Value, Measurements, Recurring \| Quoted Prices In Active Markets For Identical Assets (Level 1) \| Interest Rate Lock Commitments
Assets:
Derivative	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) \| Freddie Mac Securities
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 \| Significant Other Observable Inputs (Level 2)
Assets:
Mortgage loans held for sale	29,303	10,713
Total	554,515	536,964
Total Liabilities	160	72
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	160	72
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Interest Rate Lock Commitments
Assets:
Derivative	0	0
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| REMIC's
Assets:
Investment securities, available for sale	459,937	449,401
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Fannie Mae Certificates
Assets:
Investment securities, available for sale	2,739	2,945
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Freddie Mac Securities
Assets:
Investment securities, available for sale	8,533	1,129
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| US Treasury Notes Securities
Assets:
Investment securities, available for sale	54,003	72,776
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Mortgage loans held for sale	0	0
Total	597	395
Total Liabilities	0	0
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| Forward Commitments For Sale Of Mortgage Loans
Assets:
Derivative Liability	0	0
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| Interest Rate Lock Commitments
Assets:
Derivative	597	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) \| Freddie Mac Securities
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

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- Definition

Fair value portion of asset recognized for present right to economic benefit.

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