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Loans and Allowance for Credit Losses - Nonaccrual with no Allowance for Credit Losses and Nonaccrual Loans (Detail) - USD ($) $ in Thousands | Jun. 30, 2025 | Jun. 30, 2024
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Mortgages on real estate: |  |
Nonaccrual with no Allowance for Credit Losses | $ 0 | $ 0
Nonaccrual | 17 | 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 | 17 | 0
Commercial [Member] |  |
Mortgages on real estate: |  |
Nonaccrual with no Allowance for Credit Losses | 0 | 0
Nonaccrual | 0 | 150
Commercial business loans [Member] |  |
Mortgages on real estate: |  |
Nonaccrual with no Allowance for Credit Losses | 0 | 0
Nonaccrual | $ 0 | $ 0

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- 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 + Details
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- 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 + Details
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