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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 | Sep. 30, 2022 | Jun. 30, 2022
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | $ 168,912 |
2021 | 111,935 |
2020 | 92,122 |
2019 | 33,602 |
2018 | 40,854 |
Prior Years | 103,480 |
Total loans | 550,905 | $ 525,736
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 168,905 |
2021 | 111,827 |
2020 | 89,989 |
2019 | 33,039 |
2018 | 35,457 |
Prior Years | 100,340 |
Total loans | 539,557 | 513,804
Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2020 | 33 |
Total loans | 33 |
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 7 |
2021 | 108 |
2020 | 2,100 |
2019 | 563 |
2018 | 5,397 |
Prior Years | 3,140 |
Total loans | 11,315 | 11,932
One- to four-family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 44,955 |
2021 | 31,421 |
2020 | 20,229 |
2019 | 7,155 |
2018 | 10,418 |
Prior Years | 28,239 |
Total loans | 142,417 | 132,474
One- to four-family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 44,948 |
2021 | 31,313 |
2020 | 20,167 |
2019 | 6,927 |
2018 | 9,291 |
Prior Years | 28,239 |
Total loans | 140,885 | 130,950
One- to four-family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 7 |
2021 | 108 |
2020 | 62 |
2019 | 228 |
2018 | 1,127 |
Total loans | 1,532 | 1,524
Multi-family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 31,568 |
2021 | 11,438 |
2020 | 15,026 |
2019 | 9,351 |
2018 | 3,342 |
Prior Years | 28,053 |
Total loans | 98,778 | 88,247
Multi-family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 31,568 |
2021 | 11,438 |
2020 | 15,026 |
2019 | 9,100 |
2018 | 3,342 |
Prior Years | 28,053 |
Total loans | 98,527 | 87,993
Multi-family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2019 | 251 |
Total loans | 251 | 254
Home equity lines of credit [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 1,859 |
2021 | 1,341 |
2020 | 875 |
2019 | 812 |
2018 | 679 |
Prior Years | 1,212 |
Total loans | 6,778 | 6,987
Home equity lines of credit [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 1,859 |
2021 | 1,341 |
2020 | 875 |
2019 | 812 |
2018 | 679 |
Prior Years | 1,212 |
Total loans | 6,778 | 6,987
Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 15,648 |
2021 | 12,595 |
2020 | 6,071 |
Total loans | 34,314 | 41,254
Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 15,648 |
2021 | 12,595 |
2020 | 6,071 |
Total loans | 34,314 | 41,254
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 53,745 |
2021 | 31,906 |
2020 | 34,899 |
2019 | 6,221 |
2018 | 20,101 |
Prior Years | 35,062 |
Total loans | 181,934 | 167,375
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 53,745 |
2021 | 31,906 |
2020 | 34,004 |
2019 | 6,137 |
2018 | 20,101 |
Prior Years | 33,109 |
Total loans | 179,002 | 164,424
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2020 | 895 |
2019 | 84 |
Prior Years | 1,953 |
Total loans | 2,932 | 2,951
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 16,293 |
2021 | 20,628 |
2020 | 13,618 |
2019 | 9,572 |
2018 | 6,131 |
Prior Years | 10,861 |
Total loans | 77,103 | 80,418
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 16,293 |
2021 | 20,628 |
2020 | 12,442 |
2019 | 9,572 |
2018 | 1,871 |
Prior Years | 9,674 |
Total loans | 70,480 | 73,226
Commercial [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2020 | 33 |
Total loans | 33 |
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2020 | 1,143 |
2018 | 4,260 |
Prior Years | 1,187 |
Total loans | 6,590 | 7,192
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 4,844 |
2021 | 2,606 |
2020 | 1,404 |
2019 | 491 |
2018 | 183 |
Prior Years | 53 |
Total loans | 9,581 | 8,981
Consumer [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 | 4,844 |
2021 | 2,606 |
2020 | 1,404 |
2019 | 491 |
2018 | 173 |
Prior Years | 53 |
Total loans | 9,571 | 8,970
Consumer [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2018 | 10 |
Total loans | $ 10 | $ 11

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