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Summary of Significant Accounting Policies - Schedule of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Jun. 30, 2024
--- | --- | ---
Financial assets |  |
Federal Home Loan Bank stock | $ 3,980 | $ 4,230
Accrued interest receivable | 1,438 | 1,169
Financial liabilities |  |
Deposits | 277,563 | 256,139
Advances by borrowers for taxes and insurance | 869 | 909
Accrued interest payable | 949 | 176
Level 1 [Member] |  |
Financial assets |  |
Cash and cash equivalents | 19,480 | 18,287
Financial liabilities |  |
Deposits | 77,988 | 79,567
Level 2 [Member] |  |
Financial assets |  |
Available-for-sale securities | 9,757 | 9,648
Held-to-maturity securities | 171 | 203
Accrued interest receivable | 1,438 | 1,169
Financial liabilities |  |
Deposits | 199,603 | 176,272
Federal Home Loan Bank advances | 42,837 | 68,122
Advances by borrowers for taxes and insurance | 869 | 909
Accrued interest payable | 949 | 176
Level 3 [Member] |  |
Financial assets |  |
Loans receivable - net | 319,432 | 318,867
Carrying Value [Member] |  |
Financial assets |  |
Cash and cash equivalents | 19,480 | 18,287
Available-for-sale securities | 9,757 | 9,648
Held-to-maturity securities | 171 | 213
Loans receivable - net | 327,248 | 333,025
Federal Home Loan Bank stock | 3,980 | 4,230
Accrued interest receivable | 1,438 | 1,169
Financial liabilities |  |
Deposits | 277,563 | 256,139
Federal Home Loan Bank advances | 42,760 | 68,988
Advances by borrowers for taxes and insurance | 869 | 909
Accrued interest payable | 949 | 176
Fair Value [Member] |  |
Financial assets |  |
Cash and cash equivalents | 19,480 | 18,287
Available-for-sale securities | 9,757 | 9,648
Held-to-maturity securities | 171 | 203
Loans receivable - net | 319,432 | 318,867
Federal Home Loan Bank stock |  |
Accrued interest receivable | 1,438 | 1,169
Financial liabilities |  |
Deposits | 277,591 | 255,839
Federal Home Loan Bank advances | 42,837 | 68,122
Advances by borrowers for taxes and insurance | 869 | 909
Accrued interest payable | $ 949 | $ 176

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