Stock-Based Compensation Plans - Additional Information 4 (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation plan	$ 88,000	$ (1,200,000)	$ (2,800,000)	$ (7,600,000)
Shares held in rabbi trust total	265,000	811,000	265,000	811,000
Vested shares held in rabbi trust	256,000	758,000	256,000	758,000
Interest and dividends	$ 202,000	$ 283,000	$ 335,000	$ 478,000
Mark-to-market gain (loss)	$ 4,200,000	$ 679,000	$ 3,300,000	$ 4,900,000