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Loans (Details) - Schedule of Allowance for Loan Losses and the Recorded Investment in Loans by Portfolio - USD ($) $ in Thousands | Jun. 30, 2023 | Jun. 30, 2022
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Total [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | $ 315,441 |  |
Ending allowance attributed to loans | [1] | 1,634 |  |
One- to four-family [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  | 2,833 |  | $ 3,221
Loans acquired with deteriorated credit quality | [1] | 196 |  | 400
Ending loans balance |  | 3,029 |  | 3,621
Ending allowance attributed to loans |  |  | [1] |
One- to four-family [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 237,047 |  | 212,811
Ending allowance attributed to loans |  | 857 | [1] | 800
Nonresidential real estate [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  | 1,717 |  | 1,073
Loans acquired with deteriorated credit quality | [1] |  |  |
Ending loans balance |  | 1,717 |  | 1,073
Ending allowance attributed to loans |  |  | [1] |
Nonresidential real estate [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 28,500 |  | 30,368
Ending allowance attributed to loans |  | 405 | [1] | 461
Home equity [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  | 267 |  |
Loans acquired with deteriorated credit quality | [1] |  |  |
Ending loans balance |  | 267 |  |
Ending allowance attributed to loans | [1] |  |  |
Home equity [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 8,950 |  | 7,583
Ending allowance attributed to loans |  | 24 | [1] | 21
Home equity [Member] | Nonresidential real estate [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  |  |  | 87
Loans acquired with deteriorated credit quality | [1] |  |  |
Ending loans balance |  |  |  | 87
Ending allowance attributed to loans |  |  |  |
Total [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  | 4,817 |  |
Loans acquired with deteriorated credit quality | [1] | 196 |  |
Ending loans balance |  | 5,013 |  |
Ending allowance attributed to loans | [1] |  |  |
Total [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  |  |  | 5,226
Loans acquired with deteriorated credit quality | [1] |  |  | 400
Ending loans balance |  |  |  | 5,626
Ending allowance attributed to loans |  |  |  |
Total [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  |  |  | 276,112
Ending allowance attributed to loans |  |  |  | 1,529
Multi-family [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  |  |  | 570
Loans acquired with deteriorated credit quality | [1] |  |  |
Ending loans balance |  |  |  | 570
Ending allowance attributed to loans |  |  |  |
Multi-family [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 19,067 |  | 13,682
Ending allowance attributed to loans |  | 278 | [1] | 231
Construction [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 12,294 |  | 1,363
Ending allowance attributed to loans |  | 41 | [1] | 4
Land [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 470 |  | 1,062
Ending allowance attributed to loans |  | 1 | [1] | 3
Farm [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  |  |  | 270
Loans acquired with deteriorated credit quality | [1] |  |  |
Ending loans balance |  |  |  | 270
Ending allowance attributed to loans |  |  |  |
Farm [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 1,346 |  | 1,068
Ending allowance attributed to loans |  | 4 | [1] | 5
Commercial and industrial [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 1,184 |  | 1,006
Ending allowance attributed to loans |  | 24 | [1] | 2
Loans on deposits [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 855 |  | 891
Ending allowance attributed to loans |  | 1 | [1] | 1
Automobile [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 104 |  | 117
Ending allowance attributed to loans |  |  | [1] |
Unsecured [Member] | Loans individually evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Loans individually evaluated |  |  |  | 5
Loans acquired with deteriorated credit quality | [1] |  |  |
Ending loans balance |  |  |  | 5
Ending allowance attributed to loans |  |  |  |
Unsecured [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 611 |  | 535
Ending allowance attributed to loans |  | 1 | [1] | 1
Consumer and other [Member] | Loans collectivelly evaluated for impairment [Member] |  |  |  |
Residential real estate |  |  |  |
Ending loans balance |  | 310,428 |  | 270,486
Ending allowance attributed to loans |  | $ 1,634 | [1] | $ 1,529
[1] | These loans were evaluated at acquisition date at their estimated fair value and there has been no subsequent deterioration since acquisition.

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