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Stock-based Compensation - Additional Information (Detail) - USD ($)		6 Months Ended
	Dec. 10, 2013	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2016	Jun. 30, 2023	Sep. 09, 2022	Dec. 10, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares paid under ESOP		327,700			336,191
Stock options outstanding		0			90,143
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		6,086	7,440
Employee Stock Ownership Plan ESOP Shares In ESOP Transferred		2,405	7,683
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 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	7 years
Shares authorized	167,000	481,125
Restricted stock available for future grants		52,970
Stock options granted		0
Stock options outstanding		0
Options vested during the period		0	0
Weighted average recognition period for non-vested restricted stock awards		7 years
Unrecognized compensation expense for non-vested restricted stock awards		$ 0
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	10 years			8 years
Shares authorized	85,500					53,000	16,900
Restricted stock available for future grants		211,888
Weighted average recognition period for non-vested restricted stock awards		3 years 8 months 12 days
Unrecognized compensation expense for non-vested restricted stock awards		$ 714,000
Stock based compensation expense		163,000	$ 147,000
Tax benefit		$ 46,000	$ 42,000
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 [Member]
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		211,888

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