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Loans and Allowance for Loan Losses - Non Accruals (Detail) - USD ($) $ in Thousands | Mar. 31, 2020 | Jun. 30, 2019
--- | --- | ---
Mortgages on real estate: |  |
Total | $ 242 | $ 541
One- to four-family [Member] |  |
Mortgages on real estate: |  |
Total | 174 | 414
Multi-family [Member] |  |
Mortgages on real estate: |  |
Total | 0 |
Home equity lines of credit [Member] |  |
Mortgages on real estate: |  |
Total | 16 | 20
Construction [Member] |  |
Mortgages on real estate: |  |
Total | 0 |
Consumer Loans [Member] |  |
Mortgages on real estate: |  |
Total | 7 | 29
Commercial [Member] |  |
Mortgages on real estate: |  |
Total | 4 | 18
Commercial Business Loans [Member] |  |
Mortgages on real estate: |  |
Total | $ 41 | $ 60

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