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