Income Taxes - Benefit for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Loss before benefit for income taxes	$ (32,617)	$ (34,783)
Benefit for income taxes	(19,026)	(1,920)
Net loss	$ (13,591)	$ (32,863)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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