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Loans Receivable (Details) - Schedule of allowance for loan losses and the recorded investment in loans by portfolio - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 30, 2021
--- | --- | ---
Residential real estate: |  |
Unpaid principal balance and recorded investment | $ 295,600 | $ 299,524
Ending allowance attributed to loans | 1,610 | 1,622
Loans individually evaluated for impairment [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 5,780 | 6,041
Loans acquired with deteriorated credit quality | 459 | 595
Unpaid principal balance and recorded investment | 6,239 | 6,636
Ending allowance attributed to loans |  |
Loans individually evaluated for impairment [Member] | One-to four-family [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 3,546 | 3,738
Loans acquired with deteriorated credit quality | 459 | 595
Unpaid principal balance and recorded investment | 4,005 | 4,333
Ending allowance attributed to loans |  |
Loans individually evaluated for impairment [Member] | Multi-family [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 587 | 646
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 587 | 646
Ending allowance attributed to loans |  |
Loans individually evaluated for impairment [Member] | Farm [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 272 | 274
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 272 | 274
Ending allowance attributed to loans |  |
Loans individually evaluated for impairment [Member] | Nonresidential real estate [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 1,349 | 1,367
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 1,349 | 1,367
Ending allowance attributed to loans |  |
Loans individually evaluated for impairment [Member] | Home equity [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 16 |
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 16 |
Ending allowance attributed to loans |  |
Loans individually evaluated for impairment [Member] | Unsecured [Member] |  |
Residential real estate: |  |
Loans individually evaluated | 10 | 16
Loans acquired with deteriorated credit quality |  |
Unpaid principal balance and recorded investment | 10 | 16
Ending allowance attributed to loans |  |
Loans collectively evaluated for impairment [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 289,361 | 292,888
Ending allowance attributed to loans | 1,610 | 1,622
Loans collectively evaluated for impairment [Member] | One-to four-family [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 218,837 | 219,792
Ending allowance attributed to loans | 754 | 794
Loans collectively evaluated for impairment [Member] | Multi-family [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 19,886 | 19,135
Ending allowance attributed to loans | 290 | 291
Loans collectively evaluated for impairment [Member] | Farm [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 2,114 | 1,960
Ending allowance attributed to loans | 6 | 5
Loans collectively evaluated for impairment [Member] | Nonresidential real estate [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 32,583 | 34,125
Ending allowance attributed to loans | 526 | 494
Loans collectively evaluated for impairment [Member] | Home equity [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 7,465 | 7,135
Ending allowance attributed to loans | 16 | 15
Loans collectively evaluated for impairment [Member] | Unsecured [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 460 | 537
Ending allowance attributed to loans |  | 1
Loans collectively evaluated for impairment [Member] | Construction [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 5,459 | 5,433
Ending allowance attributed to loans | 13 | 12
Loans collectively evaluated for impairment [Member] | Land [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 208 | 1,308
Ending allowance attributed to loans |  | 3
Loans collectively evaluated for impairment [Member] | Commercial nonmortgage [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 1,135 | 2,259
Ending allowance attributed to loans | 3 | 5
Loans collectively evaluated for impairment [Member] | Loans on deposits [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 1,129 | 1,129
Ending allowance attributed to loans | 2 | 2
Loans collectively evaluated for impairment [Member] | Automobile [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment | 85 | 75
Ending allowance attributed to loans |  |
Loans collectively evaluated for impairment [Member] | Unallocated [Member] |  |
Residential real estate: |  |
Unpaid principal balance and recorded investment |  |
Ending allowance attributed to loans |  |

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- Definition Loans collectively evaluated for impairment, Unallocated Loans collectively evaluated for impair. + References No definition available. + Details
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- Definition Loans individually evaluated for impairment, Ending loans balance. + References No definition available. + Details
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