Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Unrecognized Income Tax Benefit [Roll Forward]
Beginning balance, unrecognized tax benefits	$ 60,669	$ 47,021	$ 35,749
Additions based on tax positions related to the current year	8,821	7,752	8,543
Additions based on tax positions related to the prior year		200	5,909
Deductions based on settlement of prior year tax positions	(104)	(1,550)	(2,122)
Addition for cumulative federal benefit of state tax deductions		7,281
Deductions based on expiration of prior year tax positions	(1,913)		(1,058)
Deductions based on expiration of prior year tax positions	(4,235)
Change due to OCI	(132)	(35)
Ending balance, unrecognized tax benefits	$ 63,106	$ 60,669	$ 47,021