Disclosures about Fair Value of Assets - Estimated Fair Values of Financial Instruments and Level within Fair Value Hierarchy in which Fair Value Measurements Fall (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Financial assets
Cash and cash equivalents	$ 62,735	$ 33,467	$ 59,600
Interest-bearing time deposits in banks	2,250	3,000
Loans, net of allowance for loan losses	513,371	509,817
Federal Home Loan Bank stock	4,198	3,028
Accrued interest receivable	1,897	1,908
Financial liabilities
Deposits	667,632	601,700
Repurchase agreements	6,245	3,738
Federal Home Loan Bank advances	25,000	34,500
Advances from borrowers for taxes and insurance	928	519
Accrued interest payable	199	537
Unrecognized financial instruments (net of contract amount)
Commitments to originate loans	0	0
Lines of credit	3,000	3,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial assets
Cash and cash equivalents	62,735	33,467
Interest-bearing time deposits in banks	2,250	3,000
Unrecognized financial instruments (net of contract amount)
Commitments to originate loans	0	0
Significant Other Observable Inputs (Level 2) [Member]
Financial assets
Federal Home Loan Bank stock	4,198	3,028
Accrued interest receivable	1,897	1,908
Financial liabilities
Deposits	405,664	320,209
Repurchase agreements	6,245	3,738
Federal Home Loan Bank advances	25,673	35,472
Advances from borrowers for taxes and insurance	928	519
Accrued interest payable	199	537
Unrecognized financial instruments (net of contract amount)
Commitments to originate loans	0	0
Lines of credit	3,000
Significant Unobservable Inputs (Level 3) [Member]
Financial assets
Loans, net of allowance for loan losses	515,515	513,221
Financial liabilities
Deposits	262,603	283,304
Unrecognized financial instruments (net of contract amount)
Commitments to originate loans	$ 0	$ 0

Commitments to originate loans.

No definition available.

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- Definition

Interest-bearing time deposits in banks.

+ References

No definition available.

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- Definition

Interest bearing time deposits in banks.

+ References

No definition available.

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- Definition

Unrecognized financial instruments (net of contract amount).

+ References

No definition available.

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- Definition

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.

+ References

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
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- Definition

Amount 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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-Name Accounting Standards Codification
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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.

+ References

No definition available.

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- Definition

Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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.

+ References

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- Definition

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).

+ References

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-SubTopic 325
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- References

No definition available.

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- References

No definition available.

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- Definition

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

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- Definition

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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- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 825
-SubTopic 10
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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

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- Definition

Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt.

+ References

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