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Loans Receivable And Allowance For Loan Losses - Amortized Cost of Collateral Dependent Loans (Details) - Collateral Pledged - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	$ 4,407	$ 3,885
Related ACL	360	506
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	1,781	49
Related ACL	0	0
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	159	1,158
Related ACL	0	0
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	553
Related ACL	0
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	602	618
Related ACL	0	0
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	22
Related ACL	22
Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	1,290	2,060
Related ACL	$ 338	$ 506

X

- Definition

Financing Receivable, Individually Evaluated For Credit Loss, Recorded Investment

+ References

No definition available.

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X

- Definition

Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

+ References

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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.

+ References

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-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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