The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 825
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478898/942-825-50-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

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Commitments And Contingent Liabilities (Schedule of Off Balance Sheet Risks) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Unfunded Loan Commitments	$ 29,831	$ 29,380	$ 27,811	$ 28,163	$ 26,657	$ 27,515
Commitments To Originate
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	426,443
Unfunded Loan Commitments	3,963
Commitments To Originate \| Fixed Rate Residential Mortgage
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	213,030
Unfunded Loan Commitments	1,105
Commitments To Originate \| Adjustable Rate Residential Mortgage
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	18,652
Unfunded Loan Commitments	101
Commitments To Originate \| Home Equity Line of Credit
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	123,772
Unfunded Loan Commitments	1,267
Commitments To Originate \| Home Equity Loan
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	70,989
Unfunded Loan Commitments	1,490
Unfunded Loan Commitment
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	5,521,782
Unfunded Loan Commitments	25,868
Unfunded Loan Commitment \| Home Equity Line of Credit
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	5,515,011
Unfunded Loan Commitments	25,828
Unfunded Loan Commitment \| Construction
Commitments And Contingencies Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Commitments	6,771
Unfunded Loan Commitments	$ 40