Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Taxes [Line Items]
Income tax expense	$ 98,508	$ 66,794	$ 201,019	$ 111,258
Effective income tax rate reconciliation, percent	23.70%	26.60%	24.90%	26.60%
Base Erosion and Anti-Abuse Tax
Income Taxes [Line Items]
Income tax expense	$ 0	$ 0	$ 0	$ 0