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Pension Plan - Additional Information (Detail) - USD ($) |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2023 | Sep. 30, 2022 | Nov. 30, 2022 | Feb. 28, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Employees covered under noncontributory Pension Plan |  |  | 13.00% |
Compensation period preceding retirement and termination |  |  | 5 years |
Period used for calculating Pension Plan liability |  |  | 25 years |
Contribution to avoid a Pension Benefit Guaranty Corporation variable premium |  | $ 2,000,000.0 |  |
Unfunded pension liability |  |  | $ 3,729,000 | $ 5,729,000
Minimum [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Expected contributions |  |  | 1,500,000 |
Maximum [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Expected contributions |  |  | $ 3,000,000.0 |
Scenario Forecast [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Minimum required contribution to the plan | $ 0 |  |  |

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