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Loans and Allowance for Credit Losses - Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2024
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | $ 7,472 | $ 7,450 | $ 7,499 | $ 7,139 | $ 7,139
Provision (credit) charged to expense | (411) | 437 | (34) | 747 | 150
Losses charged off | (33) | (18) | (442) | (25) | (49)
Recoveries | 318 | 66 | 323 | 74 | 259
Balance, end of period | 7,346 | 7,935 | 7,346 | 7,935 | 7,499
Loans: |  |  |  |  |
Ending balance | 654,633 | 661,147 | 654,633 | 661,147 | 646,389
One- to Four-Family [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 1,628 | 1,906 | 1,774 | 1,898 | 1,898
Provision (credit) charged to expense | (49) | (97) | (196) | (89) | (127)
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 1 | 0 | 3
Balance, end of period | 1,579 | 1,809 | 1,579 | 1,809 | 1,774
Loans: |  |  |  |  |
Ending balance | 177,733 | 175,817 | 177,733 | 175,817 | 177,263
Multi-Family [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 1,762 | 1,115 | 1,764 | 1,121 | 1,121
Provision (credit) charged to expense | (281) | 750 | 67 | 744 | 643
Losses charged off | 0 | 0 | (350) | 0 | 0
Recoveries | 200 | 0 | 200 | 0 | 0
Balance, end of period | 1,681 | 1,865 | 1,681 | 1,865 | 1,764
Loans: |  |  |  |  |
Ending balance | 129,371 | 128,625 | 129,371 | 128,625 | 126,031
Home Equity Line of Credit [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 147 | 134 | 148 | 121 | 121
Provision (credit) charged to expense | (13) | 13 | (14) | 26 | 27
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 134 | 147 | 134 | 147 | 148
Loans: |  |  |  |  |
Ending balance | 9,887 | 9,494 | 9,887 | 9,494 | 9,859
Construction [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 278 | 1,165 | 337 | 765 | 765
Provision (credit) charged to expense | 20 | (626) | (39) | (226) | (428)
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 298 | 539 | 298 | 539 | 337
Loans: |  |  |  |  |
Ending balance | 31,326 | 39,906 | 31,326 | 39,906 | 33,708
Commercial [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 2,362 | 2,265 | 2,358 | 2,369 | 2,369
Provision (credit) charged to expense | 16 | 328 | 20 | 224 | (11)
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 2,378 | 2,593 | 2,378 | 2,593 | 2,358
Loans: |  |  |  |  |
Ending balance | 205,348 | 215,565 | 205,348 | 215,565 | 200,017
Commercial [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 1,236 | 788 | 1,053 | 794 | 794
Provision (credit) charged to expense | (127) | 66 | 104 | 54 | 17
Losses charged off | 0 | 0 | (50) | 0 | 0
Recoveries | 107 | 61 | 109 | 67 | 242
Balance, end of period | 1,216 | 915 | 1,216 | 915 | 1,053
Loans: |  |  |  |  |
Ending balance | 94,042 | 83,698 | 94,042 | 83,698 | 91,784
Consumer [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of period | 59 | 77 | 65 | 71 | 71
Provision (credit) charged to expense | 23 | 3 | 24 | 14 | 29
Losses charged off | (33) | (18) | (42) | (25) | (49)
Recoveries | 11 | 5 | 13 | 7 | 14
Balance, end of period | 60 | 67 | 60 | 67 | 65
Loans: |  |  |  |  |
Ending balance | $ 6,926 | $ 8,042 | $ 6,926 | $ 8,042 | $ 7,727

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