Supplemental Disclosures of Cash Flow Information - Summary of Amount Paid (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]
Interest paid	$ 83,518	$ 81,723	$ 83,518
Income taxes paid	$ 76,701	$ 101,982	$ 91,510