Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Consolidated Statements of Comprehensive Loss
Net loss	$ (45,364)	$ (26,897)	$ (121,175)	$ (92,633)
Other comprehensive loss, net of tax:
Unrealized gain (loss) on available-for-sale investments	462	49	(668)	7
Foreign currency translation gain	10	16	12	97
Comprehensive loss	$ (44,892)	$ (26,832)	$ (121,831)	$ (92,529)

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

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