Income Taxes - Summary Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 28,908	$ 20,609	$ 61,890
State	4,613	5,726	6,267
Foreign	12,540	7,870	7,298
Total current expense	46,061	34,205	75,455
Deferred:
Federal	(37,166)	6,194	(101,774)
State	(11,207)	(880)	(796)
Foreign	1,007	(741)	(81)
Total deferred (benefit) expense	(47,366)	4,573	(102,651)
Income tax (benefit) expense	$ (1,305)	$ 38,778	$ (27,196)