CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (26,135)	$ (19,706)	$ (58,881)	$ (36,820)
Other comprehensive income (loss):
Change in unrealized gain (loss) on investments, net of tax	(183)	51	1,163	123
Other comprehensive income (loss)	(183)	51	1,163	123
Comprehensive loss	$ (26,318)	$ (19,655)	$ (57,718)	$ (36,697)

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

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