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Loans and Allowance for Credit Losses - Credit Risk Profile of Association's Loan Portfolio Based on Risk Rating Category and Year of Origination (Detail) - USD ($) $ in Thousands | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | $ 56,417 |
2022 | 212,517 |
2021 | 99,138 |
2020 | 86,618 |
2019 | 29,700 |
Prior Years | 109,934 |
Total loans | 594,324 | $ 525,736
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 53,624 |
2022 | 212,452 |
2021 | 98,869 |
2020 | 84,506 |
2019 | 29,096 |
Prior Years | 109,593 |
Total loans | 588,140 | 513,804
Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Prior Years | 335 |
Total loans | 335 |
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 2,793 |
2022 | 65 |
2021 | 269 |
2020 | 2,112 |
2019 | 604 |
Prior Years | 6 |
Total loans | 5,849 | 11,932
One- to four-family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 22,046 |
2022 | 56,060 |
2021 | 27,937 |
2020 | 18,529 |
2019 | 6,218 |
Prior Years | 33,064 |
Total loans | 163,854 | 132,474
One- to four-family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 22,032 |
2022 | 56,054 |
2021 | 27,843 |
2020 | 18,468 |
2019 | 5,996 |
Prior Years | 32,729 |
Total loans | 163,122 | 130,950
One- to four-family [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Prior Years | 335 |
Total loans | 335 |
One- to four-family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 14 |
2022 | 6 |
2021 | 94 |
2020 | 61 |
2019 | 222 |
Total loans | 397 | 1,524
Multi-family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 674 |
2022 | 37,826 |
2021 | 10,647 |
2020 | 14,399 |
2019 | 8,831 |
Prior Years | 17,272 |
Total loans | 89,649 | 88,247
Multi-family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 674 |
2022 | 37,826 |
2021 | 10,647 |
2020 | 14,399 |
2019 | 8,587 |
Prior Years | 17,272 |
Total loans | 89,405 | 87,993
Multi-family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2019 | 244 |
Total loans | 244 | 254
Home equity lines of credit [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 982 |
2022 | 2,554 |
2021 | 1,301 |
2020 | 1,035 |
2019 | 789 |
Prior Years | 1,405 |
Total loans | 8,066 | 6,987
Home equity lines of credit [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 982 |
2022 | 2,554 |
2021 | 1,301 |
2020 | 1,035 |
2019 | 789 |
Prior Years | 1,405 |
Total loans | 8,066 | 6,987
Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 2,882 |
2022 | 29,188 |
2021 | 10,432 |
2020 | 8,471 |
Total loans | 50,973 | 41,254
Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 2,882 |
2022 | 29,188 |
2021 | 10,432 |
2020 | 8,471 |
Total loans | 50,973 | 41,254
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 12,214 |
2022 | 63,645 |
2021 | 29,320 |
2020 | 33,364 |
2019 | 5,925 |
Prior Years | 49,239 |
Total loans | 193,707 | 167,375
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 12,214 |
2022 | 63,645 |
2021 | 29,320 |
2020 | 32,502 |
2019 | 5,844 |
Prior Years | 49,239 |
Total loans | 192,764 | 164,424
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2020 | 862 |
2019 | 81 |
Total loans | 943 | 2,951
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 15,228 |
2022 | 20,063 |
2021 | 17,847 |
2020 | 9,986 |
2019 | 7,726 |
Prior Years | 8,843 |
Total loans | 79,693 | 80,418
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 12,449 |
2022 | 20,004 |
2021 | 17,673 |
2020 | 8,797 |
2019 | 7,669 |
Prior Years | 8,841 |
Total loans | 75,433 | 73,226
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 2,779 |
2022 | 59 |
2021 | 174 |
2020 | 1,189 |
2019 | 57 |
Prior Years | 2 |
Total loans | 4,260 | 7,192
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 2,391 |
2022 | 3,181 |
2021 | 1,654 |
2020 | 834 |
2019 | 211 |
Prior Years | 111 |
Total loans | 8,382 | 8,981
Consumer [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 2,391 |
2022 | 3,181 |
2021 | 1,653 |
2020 | 834 |
2019 | 211 |
Prior Years | 107 |
Total loans | 8,377 | 8,970
Consumer [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2021 | 1 |
Prior Years | 4 |
Total loans | $ 5 | $ 11

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