Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Redeemable Convertible Preferred Stock	Common Stock [Member] Class A and Class B common stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance at Dec. 31, 2020	$ (67,120)			$ 37,704	$ (104,824)
Beginning balance, Shares at Dec. 31, 2020			27,924,000
Temporary equity, beginning balance, Shares at Dec. 31, 2020		61,717,000
Temporary equity, beginning balance at Dec. 31, 2020		$ 187,811
Stock-based compensation expense	2,628			2,628
Exercise of stock options	1,488			1,488
Exercise of stock options, Shares			1,226,000
Vesting of early exercised stock options	179			179
Net loss	(6,439)				(6,439)
Ending balance at Mar. 31, 2021	(69,264)			41,999	(111,263)
Ending balance, Shares at Mar. 31, 2021			29,150,000
Temporary equity, ending balance, Shares at Mar. 31, 2021		61,717,000
Temporary equity, ending balance at Mar. 31, 2021		$ 187,811
Beginning balance at Dec. 31, 2020	(67,120)			37,704	(104,824)
Beginning balance, Shares at Dec. 31, 2020			27,924,000
Temporary equity, beginning balance, Shares at Dec. 31, 2020		61,717,000
Temporary equity, beginning balance at Dec. 31, 2020		$ 187,811
Net loss	(16,522)
Ending balance at Jun. 30, 2021	(65,689)			55,657	(121,346)
Ending balance, Shares at Jun. 30, 2021			31,910,000
Temporary equity, ending balance, Shares at Jun. 30, 2021		67,136,000
Temporary equity, ending balance at Jun. 30, 2021		$ 361,113
Beginning balance at Mar. 31, 2021	(69,264)			41,999	(111,263)
Beginning balance, Shares at Mar. 31, 2021			29,150,000
Temporary equity, beginning balance, Shares at Mar. 31, 2021		61,717,000
Temporary equity, beginning balance at Mar. 31, 2021		$ 187,811
Stock-based compensation expense	3,085			3,085
Exercise of stock options	2,691			2,691
Exercise of stock options, Shares			1,690,000
Issuance of common stock under employee share purchase plan	7,402			7,402
Vesting of early exercised stock options	480			480
Issuance of redeemable convertible preferred stock, net of issuance costs		$ 173,302
Temporary Equity Stock Issued During Period Shares New Issues		5,419,000
Issuance of common stock in connection with an acquisition, Shares			1,070,000
Net loss	(10,083)				(10,083)
Ending balance at Jun. 30, 2021	(65,689)			55,657	(121,346)
Ending balance, Shares at Jun. 30, 2021			31,910,000
Temporary equity, ending balance, Shares at Jun. 30, 2021		67,136,000
Temporary equity, ending balance at Jun. 30, 2021		$ 361,113
Beginning balance at Dec. 31, 2021	306,548		$ 1	486,354	(179,807)
Beginning balance, Shares at Dec. 31, 2021			109,876,000
Stock-based compensation expense	13,785			13,785
Exercise of stock options	3,977			3,977
Exercise of stock options, Shares			1,603,000
Vesting of restricted stock units, Shares			31,000
Vesting of early exercised stock options	743			743
Donation of common stock and repurchase of unvested stock options, Shares			(3,000)
Cumulative impact of Topic 842 adoption	17				17
Net loss	(22,220)				(22,220)
Ending balance at Mar. 31, 2022	302,849		$ 1	504,859	(202,011)
Ending balance, Shares at Mar. 31, 2022			111,507,000
Beginning balance at Dec. 31, 2021	$ 306,548		$ 1	486,354	(179,807)
Beginning balance, Shares at Dec. 31, 2021			109,876,000
Exercise of stock options, Shares	1,932,702
Net loss	$ (46,788)
Ending balance at Jun. 30, 2022	298,054		$ 1	524,632	(226,579)
Ending balance, Shares at Jun. 30, 2022			112,294,000
Beginning balance at Mar. 31, 2022	302,849		$ 1	504,859	(202,011)
Beginning balance, Shares at Mar. 31, 2022			111,507,000
Stock-based compensation expense	15,155			15,155
Exercise of stock options	1,176			1,176
Exercise of stock options, Shares			329,000
Issuance of common stock under employee share purchase plan	2,553			2,553
Issuance of common stock under employee share purchase plan, Shares			176,000
Vesting of restricted stock units, Shares			286,000
Vesting of early exercised stock options	889			889
Donation of common stock and repurchase of unvested stock options, Shares			(4,000)
Net loss	(24,568)				(24,568)
Ending balance at Jun. 30, 2022	$ 298,054		$ 1	$ 524,632	$ (226,579)
Ending balance, Shares at Jun. 30, 2022			112,294,000