Consolidated Statements of Changes in Mezzanine Equity and Stockholders’ Equity - USD ($) $ in Thousands	Total	Cumulative-effect adjustment from accounting changes	Series A Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative-effect adjustment from accounting changes	Accumulated Deficit	Accumulated Deficit Cumulative-effect adjustment from accounting changes	Accumulated Other Comprehensive Loss
Redeemable convertible preferred stock beginning balance (in shares) at Dec. 31, 2020			40,000
Redeemable convertible preferred stock beginning balance at Dec. 31, 2020			$ 39,823
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of convertible preferred stock, net (in shares)			0
Issuance of convertible preferred stock, net			$ 45
Redeemable convertible preferred stock ending balance (in shares) at Dec. 31, 2021			40,000
Redeemable convertible preferred stock ending balance at Dec. 31, 2021			$ 39,868
Balance, beginning of period (in shares) at Dec. 31, 2020				103,000,594
Balance, beginning of period at Dec. 31, 2020	$ 590,557			$ 103	$ 860,556		$ (270,313)		$ 211
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)				122,560
Issuance of common stock pursuant to employee stock purchase plan (in shares)				334,248
Issuance of common stock pursuant to employee stock purchase program	13,787				13,787
Issuance of common stock pursuant to exercise of stock options (in shares)				1,709,324
Issuance of common stock pursuant to exercise of stock options	8,980			$ 2	8,978
Issuance of common stock pursuant to settlement restricted stock units (in shares)				1,559,425
Issuance of common stock pursuant to settlement of restricted stock units	0			$ 2	(2)
Common stock surrendered for employees' tax liability upon settlement of restricted stock units (in shares)				(458,152)
Common stock surrendered for employees' tax liability upon settlement of restricted stock units	$ (27,067)			$ (1)	(27,066)
Issuance of common stock in connection with repurchase of convertible senior notes (in shares)	0
Cumulative-effect adjustment from accounting changes				$ 0
Purchases of capped calls related to convertible senior notes	$ 62,647				62,647
Issuance of common stock in connection with conversion of convertible senior notes (in shares)				40,768
Issuance of common stock in connection with conversion of convertible senior notes	(63)				(63)
Stock-based compensation	58,781				58,781
Other comprehensive income	(385)								(385)
Net loss	(109,613)						(109,613)
Balance, end of period (in shares) at Dec. 31, 2021				106,308,767
Balance, end of period at Dec. 31, 2021	$ 309,852	$ (162,478)		$ 106	682,084	$ (170,240)	(372,164)	$ 7,762	(174)
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of convertible preferred stock, net			$ 46
Redeemable convertible preferred stock ending balance (in shares) at Dec. 31, 2022	40,000		40,000
Redeemable convertible preferred stock ending balance at Dec. 31, 2022	$ 39,914		$ 39,914
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)				122,560
Issuance of common stock pursuant to employee stock purchase plan (in shares)				1,170,106
Issuance of common stock pursuant to employee stock purchase program	6,465			$ 1	6,464
Issuance of common stock pursuant to exercise of stock options (in shares)				700,333
Issuance of common stock pursuant to exercise of stock options	4,987			$ 1	4,986
Issuance of common stock pursuant to settlement restricted stock units (in shares)				1,972,441
Issuance of common stock pursuant to settlement of restricted stock units	0			$ 2	(2)
Common stock surrendered for employees' tax liability upon settlement of restricted stock units (in shares)				(578,029)
Common stock surrendered for employees' tax liability upon settlement of restricted stock units	(7,498)			$ 0	(7,498)
Stock-based compensation	71,917				71,917
Other comprehensive income	(627)								(627)
Net loss	$ (321,143)						(321,143)
Balance, end of period (in shares) at Dec. 31, 2022	109,696,178			109,696,178
Balance, end of period at Dec. 31, 2022	$ 63,953			$ 110	757,951		(693,307)		(801)
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of convertible preferred stock, net			$ 45
Redeemable convertible preferred stock ending balance (in shares) at Dec. 31, 2023	40,000		40,000
Redeemable convertible preferred stock ending balance at Dec. 31, 2023	$ 39,959		$ 39,959
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)				122,560
Issuance of common stock pursuant to employee stock purchase plan (in shares)				1,491,040
Issuance of common stock pursuant to employee stock purchase program	$ 7,201			$ 1	7,200
Issuance of common stock pursuant to exercise of stock options (in shares)	801,866			801,866
Issuance of common stock pursuant to exercise of stock options	$ 2,412			$ 1	2,411
Issuance of common stock pursuant to settlement restricted stock units (in shares)				6,955,493
Issuance of common stock pursuant to settlement of restricted stock units	0			$ 7	(7)
Common stock surrendered for employees' tax liability upon settlement of restricted stock units (in shares)				(1,694,966)
Common stock surrendered for employees' tax liability upon settlement of restricted stock units	(16,349)			$ (2)	(16,347)
Stock-based compensation	74,938				74,938
Other comprehensive income	619								619
Net loss	$ (130,026)						(130,026)
Balance, end of period (in shares) at Dec. 31, 2023	117,372,171			117,372,171
Balance, end of period at Dec. 31, 2023	$ 2,748			$ 117	$ 826,146		$ (823,333)		$ (182)