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Loans and Allowance for Credit Losses - Credit Risk Profile of Association's Loan Portfolio Based on Risk Rating Category and Calendar Year of Origination (Detail) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Jun. 30, 2024
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | $ 23,326 | $ 43,030
2024 | 94,107 | 142,910
2023 | 124,495 | 177,235
2022 | 144,853 | 85,294
2021 | 79,114 | 79,971
Prior Years | 179,049 | 117,949
Total loans | 644,944 | 646,389
Current period charge-offs 2023 | (350) |
Current period charge-offs Total | (350) |
Current period recoveries 2023 | 220 |
Current period recoveries Total | 220 |
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 23,305 | 43,030
2024 | 94,107 | 142,763
2023 | 121,041 | 177,183
2022 | 144,813 | 84,877
2021 | 77,873 | 78,062
Prior Years | 173,700 | 117,237
Total loans | 634,839 | 643,152
Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 |  | 72
2021 | 193 |
Total loans | 193 | 72
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 21 |
2024 |  | 147
2023 | 3,454 | 52
2022 | 40 | 345
2021 | 1,048 | 1,909
Prior Years | 5,349 | 712
Total loans | 9,912 | 3,165
One- to Four-Family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 5,275 | 14,790
2024 | 23,570 | 39,216
2023 | 36,665 | 51,267
2022 | 46,876 | 24,439
2021 | 21,249 | 15,455
Prior Years | 42,508 | 32,096
Total loans | 176,143 | 177,263
Current period recoveries Prior Years | 1 | 3
Current period recoveries Total | 1 | 3
One- to Four-Family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 5,275 | 14,790
2024 | 23,570 | 39,202
2023 | 36,665 | 51,262
2022 | 46,872 | 24,362
2021 | 21,188 | 15,455
Prior Years | 42,107 | 31,926
Total loans | 175,677 | 176,997
One- to Four-Family [Member] | Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 |  | 72
2021 | 56 |
Total loans | 56 | 72
One- to Four-Family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 |  | 14
2023 |  | 5
2022 | 4 | 5
2021 | 5 |
Prior Years | 401 | 170
Total loans | 410 | 194
Multi-Family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 534 | 573
2024 | 15,729 | 9,004
2023 | 10,517 | 51,279
2022 | 39,750 | 20,346
2021 | 19,968 | 22,728
Prior Years | 37,504 | 22,101
Total loans | 124,002 | 126,031
Multi-Family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 534 | 573
2024 | 15,729 | 9,004
2023 | 10,517 | 51,279
2022 | 39,750 | 20,346
2021 | 19,968 | 22,728
Prior Years | 37,277 | 21,867
Total loans | 123,775 | 125,797
Multi-Family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Prior Years | 227 | 234
Total loans | 227 | 234
Home Equity Line of Credit [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 367 | 1,629
2024 | 2,503 | 2,361
2023 | 2,042 | 1,874
2022 | 1,583 | 1,806
2021 | 1,449 | 795
Prior Years | 2,070 | 1,394
Total loans | 10,014 | 9,859
Home Equity Line of Credit [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 367 | 1,629
2024 | 2,503 | 2,361
2023 | 2,042 | 1,874
2022 | 1,583 | 1,806
2021 | 1,449 | 795
Prior Years | 2,070 | 1,394
Total loans | 10,014 | 9,859
Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 1,110 | 9,123
2024 | 13,899 | 21,043
2023 | 12,058 | 3,250
2022 | 123 |
Prior Years | 23 | 292
Total loans | 27,213 | 33,708
Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 1,110 | 9,123
2024 | 13,899 | 21,043
2023 | 12,058 | 3,250
2022 | 123 |
Prior Years | 23 | 292
Total loans | 27,213 | 33,708
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 8,977 | 4,602
2024 | 14,799 | 29,665
2023 | 26,189 | 57,530
2022 | 51,061 | 27,772
2021 | 30,468 | 31,310
Prior Years | 76,162 | 49,138
Total loans | 207,656 | 200,017
Commercial Real Estate [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 8,977 | 4,602
2024 | 14,799 | 29,665
2023 | 26,189 | 57,530
2022 | 51,061 | 27,622
2021 | 29,485 | 30,489
Prior Years | 74,865 | 48,886
Total loans | 205,376 | 198,794
Commercial Real Estate [Member] | Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2021 | 137 |
Total loans | 137 |
Commercial Real Estate [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2022 |  | 150
2021 | 846 | 821
Prior Years | 1,297 | 252
Total loans | 2,143 | 1,223
Commercial Business [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 6,094 | 10,357
2024 | 21,693 | 38,986
2023 | 35,357 | 10,205
2022 | 4,431 | 10,088
2021 | 5,586 | 9,289
Prior Years | 20,563 | 12,859
Total loans | 93,724 | 91,784
Current period charge-offs 2023 | (50) |
Current period charge-offs Total | (50) |
Current period recoveries 2023 | 50 |
Current period recoveries 2021 |  | 242
Current period recoveries Prior Years | 61 |
Current period recoveries Total | 111 | 242
Commercial Business [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 6,073 | 10,357
2024 | 21,693 | 38,853
2023 | 31,921 | 10,158
2022 | 4,395 | 9,898
2021 | 5,389 | 8,201
Prior Years | 17,139 | 12,803
Total loans | 86,610 | 90,270
Commercial Business [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 21 |
2024 |  | 133
2023 | 3,436 | 47
2022 | 36 | 190
2021 | 197 | 1,088
Prior Years | 3,424 | 56
Total loans | 7,114 | 1,514
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 969 | 1,956
2024 | 1,914 | 2,635
2023 | 1,667 | 1,830
2022 | 1,029 | 843
2021 | 394 | 394
Prior Years | 219 | 69
Total loans | 6,192 | 7,727
Current period charge-offs 2025 | (21) | (48)
Current period charge-offs 2024 | (41) |
Current period charge-offs 2022 | (1) | (1)
Current period charge-offs Total | (63) | (49)
Current period recoveries 2025 | 2 | 14
Current period recoveries 2024 | 13 |
Current period recoveries Total | 15 | 14
Consumer [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2025 | 969 | 1,956
2024 | 1,914 | 2,635
2023 | 1,649 | 1,830
2022 | 1,029 | 843
2021 | 394 | 394
Prior Years | 219 | 69
Total loans | 6,174 | $ 7,727
Consumer [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 18 |
Total loans | $ 18 |

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