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Stock-based Compensation - Additional Information (Detail) - USD ($) |  | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 10, 2013 | Dec. 31, 2016 | Jun. 30, 2024 | Jun. 30, 2023 | Jul. 01, 2023 | Sep. 09, 2022 | Dec. 10, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares paid under ESOP |  |  | 324,656 | 336,191 |  |  |
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 |  |  |  | 9,348 | 9,130 |  |
Employee Stock Ownership Plan ESOP Shares In ESOP Transferred |  |  | 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 [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 |  |  |  |
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 |  |  | 211,880 |  |  |  |
Weighted average recognition period for non-vested restricted stock awards |  |  | 3 years 2 months 12 days |  |  |  |
Unrecognized compensation expense for non-vested restricted stock awards |  |  | $ 617,000 |  |  |  |
Stock based compensation expense |  |  | 260,000 | $ 327,000 |  |  |
Tax benefit |  |  | $ 74,000 | $ 93,000 |  |  |
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 |  |  | 211,880 |  |  |  |

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