Segment Information - Reconciliation of Segment Loss from Operations to Consolidated Loss from Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Total loss from operations	$ (77,128)	$ (42,540)	$ (195,193)	$ (118,289)
Corporate and other expenses
Segment Reporting Information [Line Items]
Total loss from operations	(28,072)	(12,943)	(76,731)	(38,778)
Product Segment | Operating Segments
Segment Reporting Information [Line Items]
Total loss from operations	(46,243)	(29,597)	(115,649)	(79,511)
Service segment | Operating Segments
Segment Reporting Information [Line Items]
Total loss from operations	$ (2,813)	$ 0	$ (2,813)	$ 0