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LOANS - Summary of Bank's Loans by Risk Ratings (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Jun. 30, 2022
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | $ 180,699 | $ 174,689
Loans and Leases Receivable, Gross | 180,699 | 174,689
1-4 family [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 140,898 | 141,073
Multifamily [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 13,239 | 14,310
Second mortgages and home equity lines of credit [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 2,590 | 1,970
Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 63 | 84
Home improvement [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 2,232 | 2,116
Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 179,247 | 174,689
Pass [Member] | 1-4 family [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 139,446 | 141,073
Pass [Member] | Multifamily [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 13,239 | 14,310
Pass [Member] | Second mortgages and home equity lines of credit [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 2,590 | 1,970
Pass [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 63 | 84
Pass [Member] | Home improvement [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 2,232 | 2,116
Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 1,452 |
Special Mention [Member] | 1-4 family [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 1,452 |
Special Mention [Member] | Multifamily [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 0 |
Special Mention [Member] | Second mortgages and home equity lines of credit [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 0 |
Special Mention [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 0 |
Special Mention [Member] | Home improvement [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 0 |
Residential Real Estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 156,727 | 157,353
Commercial Real Estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 21,077 | 14,761
Loans and Leases Receivable, Gross | 21,077 | 14,761
Commercial Real Estate [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 21,077 | 14,761
Commercial Real Estate [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 0 |
Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 600 | 375
Loans and Leases Receivable, Gross | 600 | 375
Construction [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | 600 | $ 375
Construction [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and Leases Receivable, Gross | $ 0 |

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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