FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Additional Information (Detail) - USD ($)	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Federal Home Loan Bank, Advances [Line Items]
Advance, Maturity year one	$ 0	$ 918,000
Maturity average interest rate year one		2.75%
General debt obligations, Disclosures, Description of collateral pledged	All borrowings from the FHLB are secured by a blanket lien on qualified collateral, defined principally as first mortgage loans on owner-occupied 1-4 family residential property.
Federal Income Tax Reserve For Loan Losses	$ 0	$ 0
Security Owned and Pledged Fair Value	$ 12,777,000
Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Federal Home Loan Bank, Advances [Line Items]
Debt instrument, Basis spread on Variable rate	0.50%
Line of Credit [Member]
Federal Home Loan Bank, Advances [Line Items]
Security Owned and Pledged Fair Value	$ 12,777,000	$ 10,081,000
Federal Home Loan Bank of Boston [Member] \| Line of Credit [Member]
Federal Home Loan Bank, Advances [Line Items]
Advances, general debt obligations, Maximum amount available	$ 2,354,000
Branch of FHLB bank, Interest rate, Terms	interest rate that adjusts daily
Branch of FHLB bank, Percentage of the banks total asset that can be borrowed	2.00%
Branch of FHLB bank, Amount of advances	$ 0

Federal home loan bank advances branch of fhlb bank interest rate terms.

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Federal home loan bank advances branch of fhlb bank percentage of the banks total asset that can be borrowed.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of advances from the Federal Home Loan Bank (FHLB).

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- Definition

Describes the collateral pledged in support of Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

+ References

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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

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Fair value of liabilities arising from or related to a financial instrument held by the entity for its own account (proprietary securities) which has been pledged to counterparties.

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