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Employee stock ownership plan ESOP minimum age.

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Employee stock ownership plan ESOP period of service to qualify for employee stock ownership plan.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Percentage of vesting of award under share-based payment arrangement.

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Number of options vested.

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Stock-based Compensation - Additional Information (Detail) - USD ($)		12 Months Ended
	Dec. 10, 2013	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares paid under ESOP		314,213	324,656
Employee Stock Ownership Plan Esop [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum hours of service required		1000 hours
Period of service to qualify for ESOP benefits		12 months
Minimum age of employee to attain the plan		21 years
Shares to be purchased for ESOP, from borrowed funds		384,900
Shares to be purchased for ESOP, percentage of common stock		8.00%
Repayment of loan on ESOP		20 years
Percentage vested in accrued benefits		100.00%
Vesting period		6 years
Employee Stock Ownership Plan Esop [Member] \| Employee Severance [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares paid under ESOP		9,880	9,130
Employee Stock Ownership Plan ESOP Shares In ESOP Transferred		563	2,405
Employee Stock Ownership Plan Esop [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Prorated vesting period		2 years
Employee Stock Ownership Plan Esop [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Prorated vesting period		5 years
Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		673,575
Equity Incentive Plan [Member] \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		481,125
Restricted stock available for future grants		52,970
Equity Incentive Plan [Member] \| Restricted Stock And Restricted Stock Units Rsu [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		192,450
Equity Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Shares authorized	53,000
Restricted stock available for future grants		211,880
Weighted average recognition period for non-vested restricted stock awards		2 years 2 months 12 days
Unrecognized compensation expense for non-vested restricted stock awards		$ 401,000
Stock based compensation expense		187,000	$ 260,000
Tax benefit		$ 53,000	$ 74,000
2022 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		264,850
2022 Equity Incentive Plan [Member] \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		52,970
Options vested during the period		0
2022 Equity Incentive Plan [Member] \| Restricted Stock And Restricted Stock Units Rsu [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		211,880