Summary of Components of Tax Benefit Related To Equity Plan (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Tax (benefit) expense related to:
Share-based compensation expense	$ (2,906)	$ (2,212)	$ (9,146)	$ (5,489)
Exercises of stock options and vesting of share-settled restricted stock units	680	(3,687)	790	(25,964)
Total tax benefit related to the Company's equity plans	$ (2,226)	$ (5,899)	$ (8,356)	$ (31,453)