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Loans and Allowance for Loan Losses - Non Accruals 1 (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Jun. 30, 2019
--- | --- | ---
Real estate loans |  |
Total | $ 1,457 | $ 1,505
One- to four-family [Member] |  |
Real estate loans |  |
Total | 1,437 | 1,475
Home equity lines of credit [Member] |  |
Real estate loans |  |
Total | 18 | 22
Real Estate Loan [Member] |  |
Real estate loans |  |
Total | 1,457 | 1,503
Commercial [Member] |  |
Real estate loans |  |
Total | $ 2 | 6
Consumer Loans [Member] |  |
Real estate loans |  |
Total |  | $ 2

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