CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) (Unaudited) - USD ($) $ in Thousands	Total	Series A Redeemable Convertible Preferred Stock	Series B Redeemable Convertible Preferred Stock	Series C Redeemable Convertible Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020		8,350,743	46,176,715	28,998,607
Beginning balance at Dec. 31, 2020		$ 7,519	$ 66,186	$ 102,618
Increase (Decrease) in Temporary Equity [Roll Forward]
Exercise of redeemable convertible preferred stock warrants (in shares)		48,513	31,369
Exercise of redeemable convertible preferred stock warrants		$ 831	$ 537
Conversion of redeemable convertible preferred stock (in shares)		(8,399,256)	(46,208,084)	(28,998,607)
Conversion of redeemable convertible preferred stock		$ (8,350)	$ (66,723)	$ (102,618)
Ending balance (in shares) at Sep. 30, 2021		0	0	0
Ending balance at Sep. 30, 2021		$ 0	$ 0	$ 0
Beginning balance (in shares) at Dec. 31, 2020					27,995,780
Beginning balance at Dec. 31, 2020	$ (101,400)				$ 0	$ 9,036	$ (110,436)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)					1,485,282
Exercise of common stock options	417					417
Vesting of restricted stock units (in shares)					76,557
Conversion of redeemable convertible preferred stock (in shares)					83,605,947
Conversion of redeemable convertible preferred stock	177,691				$ 1	177,690
Conversion of convertible notes into common stock (in shares)					18,611,914
Conversion of convertible notes into common stock	297,792					297,792
Stock-based compensation expense from issuance of a fully vested warrant to vendor	1,239					1,239
Issuance of common stock at public offering, net of issuance costs (in shares)					14,375,000
Issuance of common stock at public offering, net of issuance costs of $24.0 million	205,293					205,293
Exercise of common stock warrant (in shares)					84,118
Exercise of common stock warrant	77					77
Vesting of early exercised stock options	109					109
Tax withholding on exercise of stock options and issuance of shares from restricted stock units	(4,586)					(4,586)
Common stock issued to outgoing directors (in shares)					128,000
Stock-based compensation	25,558					25,558
Net (loss) income	52,188						52,188
Ending balance (in shares) at Sep. 30, 2021					146,362,598
Ending balance at Sep. 30, 2021	654,378				$ 1	712,625	(58,248)
Beginning balance (in shares) at Jun. 30, 2021		8,350,743	46,176,715	28,998,607
Beginning balance at Jun. 30, 2021		$ 7,519	$ 66,186	$ 102,618
Increase (Decrease) in Temporary Equity [Roll Forward]
Exercise of redeemable convertible preferred stock warrants (in shares)		48,513	31,369
Exercise of redeemable convertible preferred stock warrants		$ 831	$ 537
Conversion of redeemable convertible preferred stock (in shares)		(8,399,256)	(46,208,084)	(28,998,607)
Conversion of redeemable convertible preferred stock		$ (8,350)	$ (66,723)	$ (102,618)
Ending balance (in shares) at Sep. 30, 2021		0	0	0
Ending balance at Sep. 30, 2021		$ 0	$ 0	$ 0
Beginning balance (in shares) at Jun. 30, 2021					29,128,604
Beginning balance at Jun. 30, 2021	(61,332)				$ 0	16,264	(77,596)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)					436,576
Exercise of common stock options	159					159
Vesting of restricted stock units (in shares)					76,557
Conversion of redeemable convertible preferred stock (in shares)					83,605,947
Conversion of redeemable convertible preferred stock	177,691					177,690
Conversion of convertible notes into common stock (in shares)					18,611,914
Conversion of convertible notes into common stock	297,792					297,792
Issuance of common stock at public offering, net of issuance costs (in shares)					14,375,000
Issuance of common stock at public offering, net of issuance costs of $24.0 million	205,293					205,293
Vesting of early exercised stock options	46					46
Tax withholding on exercise of stock options and issuance of shares from restricted stock units	(4,586)					(4,586)
Common stock issued to outgoing directors (in shares)					128,000
Stock-based compensation	19,967					19,967
Net (loss) income	19,348						19,348
Ending balance (in shares) at Sep. 30, 2021					146,362,598
Ending balance at Sep. 30, 2021	$ 654,378				$ 1	712,625	(58,248)
Beginning balance (in shares) at Dec. 31, 2021	146,402,991				146,402,991
Beginning balance at Dec. 31, 2021	$ 706,750				$ 1	730,767	(24,018)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)	1,158,772				1,298,215
Exercise of common stock options	$ 1,980					1,980
Vesting of restricted stock units (in shares)					1,476,485
Tax withholding on exercise of stock options and issuance of shares from restricted stock units	(4,735)					(4,735)
Stock-based compensation	48,515					48,515
Net (loss) income	$ (162,550)						(162,550)
Ending balance (in shares) at Sep. 30, 2022	149,177,691				149,177,691
Ending balance at Sep. 30, 2022	$ 589,960				$ 1	776,527	(186,568)
Beginning balance (in shares) at Jun. 30, 2022					147,834,377
Beginning balance at Jun. 30, 2022	640,373				$ 1	760,637	(120,265)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)					784,024
Exercise of common stock options	1,468					1,468
Vesting of restricted stock units (in shares)					559,290
Tax withholding on exercise of stock options and issuance of shares from restricted stock units	(1,268)					(1,268)
Stock-based compensation	15,690					15,690
Net (loss) income	$ (66,303)						(66,303)
Ending balance (in shares) at Sep. 30, 2022	149,177,691				149,177,691
Ending balance at Sep. 30, 2022	$ 589,960				$ 1	$ 776,527	$ (186,568)