Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		139,164,693
Beginning balance at Dec. 31, 2021	$ 389,700	$ 1	$ 848,229	$ (1)	$ (458,529)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	57,457		57,457
Exercise of stock options (in shares)		1,273,968
Exercise of stock options	5,653		5,653
Vesting of restricted stock units (in shares)		294,759
Vesting of restricted stock units	67		67
Reclassification of stock appreciation rights	62		62
Issuances of common stock under employee stock purchase plan (in shares)		526,754
Issuance of common stock under employee stock purchase plan	5,563		5,563
Other comprehensive income (loss)	(264)			(264)
Net loss	(101,722)				(101,722)
Ending balance (in shares) at Sep. 30, 2022		141,260,174
Ending balance at Sep. 30, 2022	356,516	$ 1	917,031	(265)	(560,251)
Beginning balance (in shares) at Jun. 30, 2022		140,622,937
Beginning balance at Jun. 30, 2022	374,946	$ 1	888,522	(19)	(513,558)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	26,428		26,428
Exercise of stock options (in shares)		427,684
Exercise of stock options	2,019		2,019
Vesting of restricted stock units (in shares)		209,553
Vesting of restricted stock units	0		0
Reclassification of stock appreciation rights	62		62
Other comprehensive income (loss)	(246)			(246)
Net loss	(46,693)				(46,693)
Ending balance (in shares) at Sep. 30, 2022		141,260,174
Ending balance at Sep. 30, 2022	356,516	$ 1	917,031	(265)	(560,251)
Beginning balance (in shares) at Dec. 31, 2022		145,013,786
Beginning balance at Dec. 31, 2022	339,310	$ 1	951,946	(233)	(612,404)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	79,922		79,922
Exercise of stock options (in shares)		2,540,719
Exercise of stock options	8,616		8,616
Vesting of restricted stock units (in shares)		4,481,848
Vesting of restricted stock units	109	$ 1	108
Issuances of common stock under employee stock purchase plan (in shares)		625,111
Issuance of common stock under employee stock purchase plan	4,757		4,757
Other comprehensive income (loss)	171			171
Net loss	(87,046)				(87,046)
Ending balance (in shares) at Sep. 30, 2023		152,661,464
Ending balance at Sep. 30, 2023	345,839	$ 2	1,045,349	(62)	(699,450)
Beginning balance (in shares) at Jun. 30, 2023		149,845,546
Beginning balance at Jun. 30, 2023	333,121	$ 1	1,015,851	(48)	(682,683)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	25,659		25,659
Exercise of stock options (in shares)		1,178,316
Exercise of stock options	3,839		3,839
Vesting of restricted stock units (in shares)		1,637,602
Vesting of restricted stock units	1	$ 1
Other comprehensive income (loss)	(14)			(14)
Net loss	(16,767)				(16,767)
Ending balance (in shares) at Sep. 30, 2023		152,661,464
Ending balance at Sep. 30, 2023	$ 345,839	$ 2	$ 1,045,349	$ (62)	$ (699,450)