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Loans Receivable (Details) - Schedule of allowance for loan losses and the recorded investment in loans by portfolio - USD ($) $ in Thousands | Mar. 31, 2021 | Jun. 30, 2020
--- | --- | ---
Residential real estate: |  |
Unpaid principal balance and recorded investment | $ 300,812 | $ 287,375
Ending allowance attributed to loans | 1,422 | 1,288
Unallocated allowance | 200 | 200
Total allowance | 1,622 | 1,488
Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 5,498 | 5,686
Loans acquired with deteriorated credit quality | 667 | 751
Unpaid principal balance and recorded investment | 6,165 | 6,437
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 294,647 | 280,938
Ending allowance attributed to loans | 1,422 | 1,288
Unallocated allowance | 200 | 200
Total allowance | 1,622 | 1,488
One-to four-family [Member] | Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 3,903 | 3,983
Loans acquired with deteriorated credit quality | 667 | 751
Unpaid principal balance and recorded investment | 4,570 | 4,734
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
One-to four-family [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 218,308 | 217,755
Ending allowance attributed to loans | 645 | 671
Unallocated allowance |  |
Total allowance | 645 | 671
Multi-family [Member] | Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 652 | 671
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 652 | 671
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Multi-family [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 19,121 | 11,702
Ending allowance attributed to loans | 280 | 184
Unallocated allowance |  |
Total allowance | 280 | 184
Farm [Member] | Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 290 | 309
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 290 | 309
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Farm [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 1,927 | 2,045
Ending allowance attributed to loans | 4 | 4
Unallocated allowance |  |
Total allowance | 4 | 4
Nonresidential real estate [Member] | Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 636 | 660
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 636 | 660
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Nonresidential real estate [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 37,248 | 32,843
Ending allowance attributed to loans | 466 | 405
Unallocated allowance |  |
Total allowance | 466 | 405
Unsecured [Member] | Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 17 |
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 17 |
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Unsecured [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 511 | 675
Ending allowance attributed to loans | 1 | 1
Unallocated allowance |  |
Total allowance | 1 | 1
Construction [Member] | Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated |  | 63
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment |  | 63
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Construction [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 5,959 | 3,982
Ending allowance attributed to loans | 9 | 6
Unallocated allowance |  |
Total allowance | 9 | 6
Land [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 1,286 | 765
Ending allowance attributed to loans | 2 | 1
Unallocated allowance |  |
Total allowance | 2 | 1
Commercial nonmortgage [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 2,082 | 2,214
Ending allowance attributed to loans | 3 | 3
Unallocated allowance |  |
Total allowance | 3 | 3
Loans on deposits [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 1,126 | 1,245
Ending allowance attributed to loans | 2 | 2
Unallocated allowance |  |
Total allowance | 2 | 2
Home equity [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 7,004 | 7,645
Ending allowance attributed to loans | 10 | 11
Unallocated allowance |  |
Total allowance | 10 | 11
Automobile [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 75 | 67
Ending allowance attributed to loans |  |
Unallocated allowance |  |
Total allowance |  |
Unallocated [Member] | Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment |  |
Ending allowance attributed to loans |  |
Unallocated allowance | 200 | 200
Total allowance | $ 200 | $ 200

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