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Loans - Schedule of Impaired Loans by Class of Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Residential real estate |  |
Unpaid Principal Balance and Recorded Investment, Total |  | $ 4,774
Allowance for Loan Losses Allocated, Total |  |
Average Recorded Investment, Total |  | 5,128
Interest Income Recognized, Total |  | 158
Cash Basis Income Recognized, Total |  | 158
Home Equity [Member] |  |
Residential real estate |  |
Unpaid Principal Balance and Recorded Investment |  |
Allowance for Loan Losses Allocated |  |
Average Recorded Investment |  | 89
Interest Income Recognized |  |
Cash Basis Income Recognized |  |
One- To Four-Family [Member] | Residential Real Estate [Member] |  |
Residential real estate |  |
Unpaid Principal Balance and Recorded Investment | $ 1,856 | 2,849
Allowance for Loan Losses Allocated |  |
Average Recorded Investment | 1,873 | 3,146
Interest Income Recognized | 91 | 104
Cash Basis Income Recognized | 91 | 104
Unpaid Principal Balance and Recorded Investment, Total | 2,783 |
Allowance for Loan Losses Allocated, Total |  |
Average Recorded Investment, Total | 3,054 |
Interest Income Recognized, Total | 129 |
Cash Basis Income Recognized, Total | 129 |
One- To Four-Family [Member] | Unsecured [Member] |  |
Residential real estate |  |
Unpaid Principal Balance and Recorded Investment | 927 | 1,925
Allowance for Loan Losses Allocated |  |
Average Recorded Investment | 1,181 | 1,893
Interest Income Recognized | 38 | 54
Cash Basis Income Recognized | $ 38 | $ 54

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