Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Taxes [Line Items]
Income tax expense	$ 132,922	$ 62,710	$ 333,941	$ 173,968
Effective income tax rate reconciliation, percent	27.00%	24.60%	25.70%	25.90%
Base Erosion and Anti-Abuse Tax
Income Taxes [Line Items]
Income tax expense	$ 0	$ 0	$ 0	$ 0