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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 | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Jun. 30, 2024
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | $ 103,919 | $ 43,030
2023 | 130,688 | 142,910
2022 | 158,800 | 177,235
2021 | 81,296 | 85,294
2020 | 75,872 | 79,971
Prior Years | 104,058 | 117,949
Total loans | 654,633 | 646,389
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 103,898 | 43,030
2023 | 127,052 | 142,763
2022 | 158,751 | 177,183
2021 | 79,952 | 84,877
2020 | 73,943 | 78,062
Prior Years | 100,918 | 117,237
Total loans | 644,514 | 643,152
Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 3,487 |
2021 | 1,200 | 72
Prior Years | 2,400 |
Total loans | 7,087 | 72
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 21 |
2023 | 149 | 147
2022 | 49 | 52
2021 | 144 | 345
2020 | 1,929 | 1,909
Prior Years | 740 | 712
Total loans | 3,032 | 3,165
One- to Four-Family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 23,928 | 14,790
2023 | 38,713 | 39,216
2022 | 48,793 | 51,267
2021 | 22,428 | 24,439
2020 | 14,283 | 15,455
Prior Years | 29,588 | 32,096
Total loans | 177,733 | 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] |  |
2024 | 23,928 | 14,790
2023 | 38,713 | 39,202
2022 | 48,789 | 51,262
2021 | 22,362 | 24,362
2020 | 14,283 | 15,455
Prior Years | 29,383 | 31,926
Total loans | 177,458 | 176,997
One- to Four-Family [Member] | Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2021 | 61 | 72
Total loans | 61 | 72
One- to Four-Family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 |  | 14
2022 | 4 | 5
2021 | 5 | 5
Prior Years | 205 | 170
Total loans | 214 | 194
Multi-Family [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 15,031 | 573
2023 | 10,806 | 9,004
2022 | 44,592 | 51,279
2021 | 20,107 | 20,346
2020 | 22,390 | 22,728
Prior Years | 16,445 | 22,101
Total loans | 129,371 | 126,031
Current period charge-offs 2023 | (350) |
Current period charge-offs Total | (350) |
Current period recoveries 2023 | 200 |
Current period recoveries Total | 200 |
Multi-Family [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 15,031 | 573
2023 | 10,806 | 9,004
2022 | 44,592 | 51,279
2021 | 20,107 | 20,346
2020 | 22,390 | 22,728
Prior Years | 16,216 | 21,867
Total loans | 129,142 | 125,797
Multi-Family [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Prior Years | 229 | 234
Total loans | 229 | 234
Home Equity Line of Credit [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 2,840 | 1,629
2023 | 2,059 | 2,361
2022 | 1,524 | 1,874
2021 | 1,519 | 1,806
2020 | 692 | 795
Prior Years | 1,253 | 1,394
Total loans | 9,887 | 9,859
Home Equity Line of Credit [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 2,840 | 1,629
2023 | 2,059 | 2,361
2022 | 1,524 | 1,874
2021 | 1,519 | 1,806
2020 | 692 | 795
Prior Years | 1,253 | 1,394
Total loans | 9,887 | 9,859
Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 15,875 | 9,123
2023 | 12,055 | 21,043
2022 | 3,250 | 3,250
Prior Years | 146 | 292
Total loans | 31,326 | 33,708
Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 15,875 | 9,123
2023 | 12,055 | 21,043
2022 | 3,250 | 3,250
Prior Years | 146 | 292
Total loans | 31,326 | 33,708
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 18,646 | 4,602
2023 | 27,152 | 29,665
2022 | 51,677 | 57,530
2021 | 31,015 | 27,772
2020 | 30,397 | 31,310
Prior Years | 46,461 | 49,138
Total loans | 205,348 | 200,017
Commercial Real Estate [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 18,646 | 4,602
2023 | 27,152 | 29,665
2022 | 51,677 | 57,530
2021 | 30,030 | 27,622
2020 | 29,594 | 30,489
Prior Years | 46,209 | 48,886
Total loans | 203,308 | 198,794
Commercial Real Estate [Member] | Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2021 | 846 |
Total loans | 846 |
Commercial Real Estate [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2021 | 139 | 150
2020 | 803 | 821
Prior Years | 252 | 252
Total loans | 1,194 | 1,223
Commercial Business [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 24,556 | 10,357
2023 | 38,023 | 38,986
2022 | 7,747 | 10,205
2021 | 5,716 | 10,088
2020 | 7,878 | 9,289
Prior Years | 10,122 | 12,859
Total loans | 94,042 | 91,784
Current period charge-offs 2023 | (50) |
Current period charge-offs Total | (50) |
Current period recoveries 2023 | 50 |
Current period recoveries 2020 | 59 | 242
Current period recoveries Total | 109 | 242
Commercial Business [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 24,535 | 10,357
2023 | 34,407 | 38,853
2022 | 7,702 | 10,158
2021 | 5,423 | 9,898
2020 | 6,752 | 8,201
Prior Years | 7,668 | 12,803
Total loans | 86,487 | 90,270
Commercial Business [Member] | Watch [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 3,487 |
2021 | 293 |
Prior Years | 2,400 |
Total loans | 6,180 |
Commercial Business [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 21 |
2023 | 129 | 133
2022 | 45 | 47
2021 | 0 | 190
2020 | 1,126 | 1,088
Prior Years | 54 | 56
Total loans | 1,375 | 1,514
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 3,043 | 1,956
2023 | 1,880 | 2,635
2022 | 1,217 | 1,830
2021 | 511 | 843
2020 | 232 | 394
Prior Years | 43 | 69
Total loans | 6,926 | 7,727
Current period charge-offs 2024 | (41) | (48)
Current period charge-offs 2022 | (1) |
Current period charge-offs 2021 |  | (1)
Current period charge-offs Total | (42) | (49)
Current period recoveries 2024 | 13 | 14
Current period recoveries Total | 13 | 14
Consumer [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2024 | 3,043 | 1,956
2023 | 1,860 | 2,635
2022 | 1,217 | 1,830
2021 | 511 | 843
2020 | 232 | 394
Prior Years | 43 | 69
Total loans | 6,906 | $ 7,727
Consumer [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
2023 | 20 |
Total loans | $ 20 |

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