Income Taxes - Summary of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ (61,528)	$ 28,908	$ 20,609
State	(1,639)	4,613	5,726
Foreign	1,599	12,540	7,870
Total current expense	(61,568)	46,061	34,205
Deferred:
Federal	(70,440)	(37,166)	6,194
State	(19,252)	(11,207)	(880)
Foreign	(5,393)	1,007	(741)
Total deferred (benefit) expense	(95,085)	(47,366)	4,573
Income tax (benefit) expense	$ (156,653)	$ (1,305)	$ 38,778