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Loans and Allowance for Loan Losses - Loans Modified as Troubled Debt Restructurings (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Jun. 30, 2022
--- | --- | ---
Real estate loans |  |
Total | $ 236 | $ 998
One- to four-family [Member] |  |
Real estate loans |  |
Total | 206 | 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 | 206 | 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 | 30 | 36
Consumer Loans [Member] |  |
Real estate loans |  |
Total | $ 0 | $ 0

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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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