Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current provision:
Federal	$ 391	$ (336)	$ (445)
State	204	163	137
Foreign	15,657	22,204	9,512
Total current provision	16,252	22,031	9,204
Deferred provision:
Federal	(3,481)	(2,026)	(5,934)
State	(882)	(377)	(886)
Foreign	(571,402)	(31,948)	1,056
Total deferred provision	(575,765)	(34,351)	(5,764)
(Benefit from) provision for income taxes	$ (559,513)	$ (12,320)	$ 3,440