Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Redeemable Convertible Preferred Stock	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance at Dec. 31, 2020		$ 462,293
Beginning balance (in shares) at Dec. 31, 2020		75,305,400
Beginning balance at Dec. 31, 2020	$ (221,824)		$ 0	$ 126,408		$ 20	$ (343,551)
Beginning balance (in shares) at Dec. 31, 2020			43,049,228
Treasury Stock, Value, Beginning Balance at Dec. 31, 2020					$ (4,701)
Treasury Stock Shares, Beginning Balance at Dec. 31, 2020					(2,747,938)
Conversion of redeemable convertible preferred stock to common stock upon initial public offering		$ (462,293)
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares)		(75,305,400)
Conversion of redeemable convertible preferred stock to common stock upon initial public offering	462,293		$ 1	462,292
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares)			75,305,400
Issuance of common stock upon initial public offering, net of offering costs (in shares)			17,024,276
Issuance of common stock upon initial public offering, net of offering costs	518,835			518,835
Issuance of common stock upon exercise of options	14,284			14,284
Issuance of common stock upon exercise of options (in shares)			4,503,830
Issuance of restricted stock awards (in shares)			2,115
Vesting of early exercise stock options	42			42
Stock-based compensation expense	46,820			46,820
Change in unrealized loss on marketable securities	(15)					(15)
Net loss	(65,026)						(65,026)
Ending balance at Jun. 30, 2021		$ 0
Ending balance (in shares) at Jun. 30, 2021		0
Ending balance at Jun. 30, 2021	755,409		$ 1	1,168,681		5	(408,577)
Ending balance (in shares) at Jun. 30, 2021			139,884,849
Treasury Stock, Value, Ending Balance at Jun. 30, 2021					$ (4,701)
Treasury Stock Shares, Ending Balance at Jun. 30, 2021					(2,747,938)
Beginning balance at Mar. 31, 2021		$ 462,293
Beginning balance (in shares) at Mar. 31, 2021		75,305,400
Beginning balance at Mar. 31, 2021	(226,089)		$ 0	140,803		23	(362,214)
Beginning balance (in shares) at Mar. 31, 2021			45,941,154
Treasury Stock, Value, Beginning Balance at Mar. 31, 2021					$ (4,701)
Treasury Stock Shares, Beginning Balance at Mar. 31, 2021					(2,747,938)
Conversion of redeemable convertible preferred stock to common stock upon initial public offering		$ (462,293)
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares)		(75,305,400)
Conversion of redeemable convertible preferred stock to common stock upon initial public offering	462,293		$ 1	462,292
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares)			75,305,400
Issuance of common stock upon initial public offering, net of offering costs (in shares)			17,024,276
Issuance of common stock upon initial public offering, net of offering costs	518,835			518,835
Issuance of common stock upon exercise of options	5,720			5,720
Issuance of common stock upon exercise of options (in shares)			1,611,904
Issuance of restricted stock awards (in shares)			2,115
Vesting of early exercise stock options	21			21
Stock-based compensation expense	41,010			41,010
Change in unrealized loss on marketable securities	(18)					(18)
Net loss	(46,363)						(46,363)
Ending balance at Jun. 30, 2021		$ 0
Ending balance (in shares) at Jun. 30, 2021		0
Ending balance at Jun. 30, 2021	755,409		$ 1	1,168,681		5	(408,577)
Ending balance (in shares) at Jun. 30, 2021			139,884,849
Treasury Stock, Value, Ending Balance at Jun. 30, 2021					$ (4,701)
Treasury Stock Shares, Ending Balance at Jun. 30, 2021					(2,747,938)
Beginning balance at Dec. 31, 2021		$ 0
Beginning balance (in shares) at Dec. 31, 2021		0
Beginning balance at Dec. 31, 2021	$ 741,513		$ 1	1,235,231		(252)	(488,766)
Beginning balance (in shares) at Dec. 31, 2021	141,906,041		144,653,979
Treasury Stock, Value, Beginning Balance at Dec. 31, 2021	$ 4,701				$ (4,701)
Treasury Stock Shares, Beginning Balance at Dec. 31, 2021					(2,747,938)
Issuance of common stock upon exercise of options	11,485			11,485
Issuance of common stock upon exercise of options (in shares)			2,873,688
Vesting of restricted stock units (in shares)			722,365
Tax withholding on vesting of restricted stock units	(4,852)			(4,852)
Tax withholding on vesting of restricted stock units (in shares)			(271,089)
Stock Issued During Period, Shares, Employee Stock Purchase Plans			353,828
Stock Issued During Period, Value, Employee Stock Purchase Plan	4,596			4,596
Stock-based compensation expense	52,713			52,713
Change in unrealized loss on marketable securities	(2,066)					(2,066)
Net loss	(87,602)						(87,602)
Ending balance at Jun. 30, 2022		$ 0
Ending balance (in shares) at Jun. 30, 2022		0
Ending balance at Jun. 30, 2022	$ 715,787		$ 1	1,299,173		(2,318)	(576,368)
Ending balance (in shares) at Jun. 30, 2022	145,584,833		148,332,771
Treasury Stock, Value, Ending Balance at Jun. 30, 2022	$ 4,701				$ (4,701)
Treasury Stock Shares, Ending Balance at Jun. 30, 2022					(2,747,938)
Beginning balance at Mar. 31, 2022		$ 0
Beginning balance (in shares) at Mar. 31, 2022		0
Beginning balance at Mar. 31, 2022	728,685		$ 1	1,262,283		(1,864)	(527,034)
Beginning balance (in shares) at Mar. 31, 2022			146,578,434
Treasury Stock, Value, Beginning Balance at Mar. 31, 2022					$ (4,701)
Treasury Stock Shares, Beginning Balance at Mar. 31, 2022					(2,747,938)
Issuance of common stock upon exercise of options	5,035			5,035
Issuance of common stock upon exercise of options (in shares)			1,145,682
Vesting of restricted stock units (in shares)			400,030
Tax withholding on vesting of restricted stock units	(2,227)			(2,227)
Tax withholding on vesting of restricted stock units (in shares)			(145,203)
Stock Issued During Period, Shares, Employee Stock Purchase Plans			353,828
Stock Issued During Period, Value, Employee Stock Purchase Plan	4,596			4,596
Stock-based compensation expense	29,486			29,486
Change in unrealized loss on marketable securities	(454)					(454)
Net loss	(49,334)						(49,334)
Ending balance at Jun. 30, 2022		$ 0
Ending balance (in shares) at Jun. 30, 2022		0
Ending balance at Jun. 30, 2022	$ 715,787		$ 1	$ 1,299,173		$ (2,318)	$ (576,368)
Ending balance (in shares) at Jun. 30, 2022	145,584,833		148,332,771
Treasury Stock, Value, Ending Balance at Jun. 30, 2022	$ 4,701				$ (4,701)
Treasury Stock Shares, Ending Balance at Jun. 30, 2022					(2,747,938)