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Loans and Allowance for Credit Losses - Loans Modified as Troubled Debt Restructurings (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Real estate loans
Total	$ 215	$ 998
One- to four-family [Member]
Real estate loans
Total	189	962
Multi-family [Member]
Real estate loans
Total	0	0
Home equity lines of credit [Member]
Real estate loans
Total	0	0
Real Estate Loan [Member]
Real estate loans
Total	189	962
Construction Loans [Member]
Real estate loans
Total	0	0
Commercial [Member]
Real estate loans
Total	0	0
Commercial Business Loans [Member]
Real estate loans
Total	26	36
Consumer Loans [Member]
Real estate loans
Total	$ 0	$ 0

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- Definition

Financing receivable recorded investment troubled debt restructurings.

+ References

No definition available.

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- Definition

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 310
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481746/310-40-50-4

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