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Loans and Allowance for Credit Losses - Nonaccrual with no Allowance for Credit Losses and Nonaccrual Loans (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	$ 0	$ 0
Nonaccrual	163	150
One- to four-family [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	0	0
Multi-family [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	0	0
Home equity lines of credit [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	0	0
Construction loans [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	0	0
Consumer loans [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	21	0
Commercial [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	142	150
Commercial business loans [Member]
Mortgages on real estate:
Nonaccrual with no Allowance for Credit Losses	0	0
Nonaccrual	$ 0	$ 0

X

- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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X

- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (2)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- References

No definition available.

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