Components of Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal	$ 5,127	$ (2,660)	$ 29,848
State and local	1,331	588	2,880
Foreign	5,339	4,956	3,975
Current income tax expense, total	11,797	2,884	36,703
Federal	(58,311)	(72,074)	12,446
State and local	(5,394)	(994)	32,336
Foreign	(19,055)	4,690	(318)
Deferred income tax expense (benefit), total	(82,760)	(68,378)	44,464
Provision for (benefit from) income taxes	$ (70,963)	$ (65,494)	$ 81,167

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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