CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital	Accumulated other comprehensive income (loss) [Member]	Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2020	$ 384,520,000	$ 13,000	$ 775,417,000		$ (390,910,000)
Beginning balance (in shares) at Dec. 31, 2020		127,123,954
Issuance of common stock under equity incentive plans related to vesting of RSUs, (in shares)		14,270
Issuance of common stock under equity incentive plans related to exercise of options	742,000		742,000
Issuance of common stock under equity incentive plans related to exercise of options (in shares)		186,892
Reclassification of private placement warrants from equity to other long-term liabilities	(305,000)		(305,000)
Equity-based compensation expense	6,060,000		6,060,000
Net loss	(50,981,000)				(50,981,000)
Ending balance at Mar. 31, 2021	340,036,000	$ 13,000	781,914,000		(441,891,000)
Ending balance (in shares) at Mar. 31, 2021		127,325,116
Beginning balance at Dec. 31, 2020	384,520,000	$ 13,000	775,417,000		(390,910,000)
Beginning balance (in shares) at Dec. 31, 2020		127,123,954
Other comprehensive income (loss)	(533,000)
Net loss	(166,279,000)
Ending balance at Sep. 30, 2021	629,080,000	$ 15,000	1,186,787,000	$ (533,000)	(557,189,000)
Ending balance (in shares) at Sep. 30, 2021		147,135,968
Beginning balance at Dec. 31, 2020	384,520,000	$ 13,000	775,417,000		(390,910,000)
Beginning balance (in shares) at Dec. 31, 2020		127,123,954
Issuance of common stock related to follow-on offering, net of offering costs	0
Ending balance at Dec. 31, 2021	578,729,000	$ 15,000	1,195,944,000	(986,000)	(616,244,000)
Ending balance (in shares) at Dec. 31, 2021		147,719,523
Beginning balance at Mar. 31, 2021	340,036,000	$ 13,000	781,914,000		(441,891,000)
Beginning balance (in shares) at Mar. 31, 2021		127,325,116
Issuance of common stock under equity incentive plans related to vesting of RSUs, (in shares)		14,270
Issuance of common stock under equity incentive plans related to exercise of options	1,394,000		1,394,000
Issuance of common stock under equity incentive plans related to exercise of options (in shares)		204,684
Issuance of common stock under equity incentive plans related to ESPP	435,000		435,000
Issuance of common stock under equity incentive plans related to ESPP (in shares)		40,589
Equity-based compensation expense	5,261,000		5,261,000
Net loss	(53,239,000)				(53,239,000)
Ending balance at Jun. 30, 2021	293,887,000	$ 13,000	789,004,000		(495,130,000)
Ending balance (in shares) at Jun. 30, 2021		127,584,659
Issuance of common stock related to follow-on offering, net of offering costs	328,251,000	$ 1,000	328,250,000
Issuance of common stock related to follow-on offering, net of offering costs (in shares)		14,000,000
Issuance of common stock related to exercise of public warrants	55,463,000	$ 1,000	55,462,000
Issuance of common stock related to exercise of public warrants (in shares)		4,822,947
Issuance of common stock related to cashless exercise of private placement warrants	4,186,000		4,186,000
Issuance of common stock related to cashless exercise of private placement warrants (in shares)		111,426
Issuance of common stock under equity incentive plans related to vesting of RSUs, (in shares)		14,270
Issuance of common stock under equity incentive plans related to exercise of options	3,751,000		3,751,000
Issuance of common stock under equity incentive plans related to exercise of options (in shares)		602,666
Equity-based compensation expense	6,134,000		6,134,000
Other comprehensive income (loss)	(533,000)			(533,000)
Net loss	(62,059,000)				(62,059,000)
Ending balance at Sep. 30, 2021	629,080,000	$ 15,000	1,186,787,000	(533,000)	(557,189,000)
Ending balance (in shares) at Sep. 30, 2021		147,135,968
Beginning balance at Dec. 31, 2021	578,729,000	$ 15,000	1,195,944,000	(986,000)	(616,244,000)
Beginning balance (in shares) at Dec. 31, 2021		147,719,523
Issuance of common stock under equity incentive plans related to vesting of RSUs, (in shares)		14,270
Issuance of common stock under equity incentive plans related to exercise of options	2,854,000		2,854,000
Issuance of common stock under equity incentive plans related to exercise of options (in shares)		449,005
Equity-based compensation expense	8,558,000		8,558,000
Other comprehensive income (loss)	(348,000)			(348,000)
Net loss	(68,294,000)				(68,294,000)
Ending balance at Mar. 31, 2022	521,499,000	$ 15,000	1,207,356,000	(1,334,000)	(684,538,000)
Ending balance (in shares) at Mar. 31, 2022		148,182,798
Beginning balance at Dec. 31, 2021	578,729,000	$ 15,000	1,195,944,000	(986,000)	(616,244,000)
Beginning balance (in shares) at Dec. 31, 2021		147,719,523
Other comprehensive income (loss)	6,180,000
Net loss	(258,703,000)
Ending balance at Sep. 30, 2022	603,362,000	$ 16,000	1,473,099,000	5,194,000	(874,947,000)
Ending balance (in shares) at Sep. 30, 2022		156,243,808
Beginning balance at Mar. 31, 2022	521,499,000	$ 15,000	1,207,356,000	(1,334,000)	(684,538,000)
Beginning balance (in shares) at Mar. 31, 2022		148,182,798
Issuance of common stock under equity incentive plans related to vesting of RSUs, (in shares)		14,270
Issuance of common stock under equity incentive plans related to exercise of options	1,471,000		1,471,000
Issuance of common stock under equity incentive plans related to exercise of options (in shares)		160,623
Issuance of common stock under equity incentive plans related to ESPP	845,000		845,000
Issuance of common stock under equity incentive plans related to ESPP (in shares)		37,591
Equity-based compensation expense	10,148,000		10,148,000
Other comprehensive income (loss)	9,322,000			9,322,000
Net loss	(90,471,000)				(90,471,000)
Ending balance at Jun. 30, 2022	452,814,000	$ 15,000	1,219,820,000	7,988,000	(775,009,000)
Ending balance (in shares) at Jun. 30, 2022		148,395,282
Issuance of common stock related to follow-on offering, net of offering costs	238,100,000	$ 1,000	238,099,000
Issuance of common stock related to follow-on offering, net of offering costs (in shares)		7,250,000
Issuance of common stock under equity incentive plans related to exercise of options	5,484,000		5,484,000
Issuance of common stock under equity incentive plans related to exercise of options (in shares)		598,526
Equity-based compensation expense	9,696,000		9,696,000
Other comprehensive income (loss)	(2,794,000)			(2,794,000)
Net loss	(99,938,000)				(99,938,000)
Ending balance at Sep. 30, 2022	$ 603,362,000	$ 16,000	$ 1,473,099,000	$ 5,194,000	$ (874,947,000)
Ending balance (in shares) at Sep. 30, 2022		156,243,808