Summary of Loss before Provision (Benefit) for Income Taxes by Jurisdiction (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ (47,633)	$ (204,956)	$ (489,747)
Foreign	(371,315)	(348,109)	(224,133)
Loss before income tax (benefit) expense	$ (418,948)	$ (553,065)	$ (713,880)