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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 | Sep. 30, 2023 | Jun. 30, 2023
--- | --- | ---
Financial assets |  |
Cash and cash equivalents | $ 13,582 | $ 10,988
Interest-bearing time deposits in banks | 1,250 | 1,250
Loans, net of allowance for loan losses | 614,598 | 587,457
Federal Home Loan Bank stock | 4,764 | 3,127
Accrued interest receivable | 3,223 | 2,781
Financial liabilities |  |
Deposits | 687,148 | 735,314
Repurchase agreements | 16,038 | 10,787
Federal Home Loan Bank advances | 90,500 | 19,500
Advances from borrowers for taxes and insurance | 779 | 1,233
Accrued interest payable | 2,737 | 1,666
Unrecognized financial instruments (net of contract amount) |  |
Commitments to originate loans | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Financial assets |  |
Cash and cash equivalents | 13,582 | 10,988
Interest-bearing time deposits in banks | 1,250 | 1,250
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 | 4,764 | 3,127
Accrued interest receivable | 3,223 | 2,781
Financial liabilities |  |
Deposits | 390,274 | 451,718
Repurchase agreements | 16,038 | 10,787
Federal Home Loan Bank advances | 90,407 | 19,382
Advances from borrowers for taxes and insurance | 779 | 1,233
Accrued interest payable | 2,737 | 1,666
Unrecognized financial instruments (net of contract amount) |  |
Commitments to originate loans | 0 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Financial assets |  |
Loans, net of allowance for loan losses | 590,319 | 564,432
Financial liabilities |  |
Deposits | 295,909 | 282,351
Unrecognized financial instruments (net of contract amount) |  |
Commitments to originate loans | $ 0 | $ 0

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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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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 -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480876/942-470-45-1 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
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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 -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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