Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (29,845)	$ (22,924)
Other comprehensive income (loss):
Change in fair value of investments	(9)	(235)
Adjustments for net gains realized and included in net loss	0	(56)
Total change in unrealized losses on investments	(9)	(291)
Change in unrealized losses on cash flow hedges	(129)	0
Adjustments for net gains realized and included in net loss	(204)	0
Total change in unrealized losses on cash flow hedges	(333)	0
Total other comprehensive loss	(342)	(291)
Comprehensive loss	$ (30,187)	$ (23,215)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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