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Loans and Allowance for Loan Losses - Allowance for Loan Losses and Recorded Investment in Loans Based on Portfolio Segment and Impairment Method (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Jun. 30, 2021
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | $ 6,395 | $ 6,449 | $ 6,599 | $ 6,234 | $ 6,234
Provision charged to expense | 242 | (101) | 39 | 165 | 844
Losses charged off | (32) | (7) | (50) | (78) | (513)
Recoveries | 6 | 10 | 23 | 30 | 34
Balance, end of period | 6,611 | 6,351 | 6,611 | 6,351 | 6,599
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 6,611 | 6,351 | 6,611 | 6,351 | 6,599
Loans: |  |  |  |  |
Ending balance | 505,712 | 511,318 | 505,712 | 511,318 | 520,526
Ending balance: individually evaluated for impairment | 1,114 | 1,393 | 1,114 | 1,393 | 1,298
Ending balance: collectively evaluated for impairment | 504,598 | 509,925 | 504,598 | 509,925 | 519,228
One- to four-family [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 1,082 | 1,011 | 967 | 1,044 | 1,044
Provision charged to expense | (13) | (56) | 101 | (76) | (64)
Losses charged off | (26) | 0 | (26) | (15) | (15)
Recoveries | 0 | 0 | 1 | 2 | 2
Balance, end of period | 1,043 | 955 | 1,043 | 955 | 967
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 1,043 | 955 | 1,043 | 955 | 967
Loans: |  |  |  |  |
Ending balance | 124,590 | 116,363 | 124,590 | 116,363 | 117,435
Ending balance: individually evaluated for impairment | 1,076 | 1,328 | 1,076 | 1,328 | 1,252
Ending balance: collectively evaluated for impairment | 123,514 | 115,035 | 123,514 | 115,035 | 116,183
Multi-family [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 1,400 | 1,744 | 1,674 | 1,514 | 1,514
Provision charged to expense | 27 | (3) | (247) | 227 | 160
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 1,427 | 1,741 | 1,427 | 1,741 | 1,674
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 1,427 | 1,741 | 1,427 | 1,741 | 1,674
Loans: |  |  |  |  |
Ending balance | 88,566 | 105,895 | 88,566 | 105,895 | 104,433
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 88,566 | 105,895 | 88,566 | 105,895 | 104,433
Home equity lines of credit [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 62 | 79 | 67 | 87 | 87
Provision charged to expense | 4 | 0 | (1) | (8) | (20)
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 66 | 79 | 66 | 79 | 67
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 66 | 79 | 66 | 79 | 67
Loans: |  |  |  |  |
Ending balance | 6,600 | 7,814 | 6,600 | 7,814 | 6,688
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 6,600 | 7,814 | 6,600 | 7,814 | 6,688
Construction [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 299 | 130 | 258 | 240 | 240
Provision charged to expense | 60 | 69 | 101 | (41) | 18
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 359 | 199 | 359 | 199 | 258
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 359 | 199 | 359 | 199 | 258
Loans: |  |  |  |  |
Ending balance | 31,127 | 20,783 | 31,127 | 20,783 | 25,345
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 31,127 | 20,783 | 31,127 | 20,783 | 25,345
Commercial [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 1,962 | 1,782 | 1,831 | 1,706 | 1,706
Provision charged to expense | 4 | (24) | 135 | 52 | 125
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Balance, end of period | 1,966 | 1,758 | 1,966 | 1,758 | 1,831
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 1,966 | 1,758 | 1,966 | 1,758 | 1,831
Loans: |  |  |  |  |
Ending balance | 165,132 | 149,639 | 165,132 | 149,639 | 155,884
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 165,132 | 149,639 | 165,132 | 149,639 | 155,884
Commercial [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 1,521 | 1,636 | 1,740 | 1,583 | 1,583
Provision charged to expense | 154 | (80) | (77) | 1 | 611
Losses charged off | 0 | 0 | 0 | (40) | (473)
Recoveries | 4 | 4 | 16 | 16 | 19
Balance, end of period | 1,679 | 1,560 | 1,679 | 1,560 | 1,740
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 1,679 | 1,560 | 1,679 | 1,560 | 1,740
Loans: |  |  |  |  |
Ending balance | 81,399 | 103,326 | 81,399 | 103,326 | 103,088
Ending balance: individually evaluated for impairment | 38 | 65 | 38 | 65 | 46
Ending balance: collectively evaluated for impairment | 81,361 | 103,261 | 81,361 | 103,261 | 103,042
Consumer [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Balance, beginning of year | 69 | 67 | 62 | 60 | 60
Provision charged to expense | 6 | (7) | 27 | 10 | 14
Losses charged off | (6) | (7) | (24) | (23) | (25)
Recoveries | 2 | 6 | 6 | 12 | 13
Balance, end of period | 71 | 59 | 71 | 59 | 62
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 71 | 59 | 71 | 59 | 62
Loans: |  |  |  |  |
Ending balance | 8,298 | 7,498 | 8,298 | 7,498 | 7,653
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | $ 8,298 | $ 7,498 | $ 8,298 | $ 7,498 | $ 7,653

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