Unaudited Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (23,314)	$ (19,225)	$ (91,918)	$ (74,978)
Other comprehensive income (loss):
Unrealized loss on marketable securities, net of tax	(3)	(103)	(6)	(57)
Income on marketable securities reclassified into earnings, net of tax	1	32	3	59
Total	(2)	(71)	(3)	2
Unrealized income (loss) on derivative instruments, net of tax	2,100	(1,944)	608	(807)
Loss (income) on derivative instruments reclassified into earnings, net of tax	(2,663)	2,144	(7,448)	4,919
Total	(563)	200	(6,840)	4,112
Total other comprehensive income (loss)	(565)	129	(6,843)	4,114
Comprehensive loss	$ (23,879)	$ (19,096)	$ (98,761)	$ (70,864)