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

Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

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