Condensed Consolidated Statements of Temporary Equity and Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Cumulative Effect Adjustment Due To Adoption of ASU 2020-06 [Member]	Common Class A [Member]	Common Class B [Member]	Preferred Stock [Member] Convertible Preferred Stock [Member]	Preferred Stock [Member] Founders Preferred Stock [Member]	Common Stock [Member]	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid in Capital [Member]	Additional Paid in Capital [Member] Cumulative Effect Adjustment Due To Adoption of ASU 2020-06 [Member]	Accumulated Other Comprehensive loss [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Cumulative Effect Adjustment Due To Adoption of ASU 2020-06 [Member]
Beginning Balance at Dec. 31, 2020	$ (140,408)					$ 1	$ 6			$ 50,282			$ (190,697)
Beginning Balance (in shares) at Dec. 31, 2020						12,302,500	62,961,258
Temporary Equity, Beginning Balance (in shares) at Dec. 31, 2020					90,768,286
Temporary Equity, Beginning Balance at Dec. 31, 2020					$ 108,829
Stock-based compensation	2,177									2,177
Exercise of options (in shares)							498,807
Exercise of options	228									228
Issuance of Series C Convertible Preferred Stock, net of issuance costs					$ 221,943
Issuance of Series C Convertible Preferred Stock, net of issuance costs (in shares)					28,498,141
Conversion of Founders Convertible Preferred Stock to Series C Convertible Preferred Stock, issued	8,156									8,156
Conversion of Founders Convertible Preferred Stock to Series C Convertible Preferred Stock, issued (in shares)					5,073,576	(5,073,576)
Adjustment to redemption value on Convertible Preferred Stock	(1,011,726)				$ 1,011,726					(51,131)			(960,595)
Net loss	(158,972)												(158,972)
Temporary Equity, Ending Balance (in shares) at Mar. 31, 2021					124,340,003
Temporary Equity, Ending Balance at Mar. 31, 2021					$ 1,342,498
Ending Balance (in shares) at Mar. 31, 2021						7,228,924	63,460,065
Ending Balance at Mar. 31, 2021	(1,309,573)	$ (9,028)				$ 1	$ 6			(7)	$ (9,719)		(1,309,573)	$ 691
Beginning Balance at Dec. 31, 2020	(140,408)					$ 1	$ 6			50,282			(190,697)
Beginning Balance (in shares) at Dec. 31, 2020						12,302,500	62,961,258
Temporary Equity, Beginning Balance (in shares) at Dec. 31, 2020					90,768,286
Temporary Equity, Beginning Balance at Dec. 31, 2020					$ 108,829
Adjustment to redemption value on Convertible Preferred Stock			$ 282,587	$ 729,139
Net loss	(190,269)
Ending Balance (in shares) at Jun. 30, 2021							56,239,189	198,090,903
Ending Balance at Jun. 30, 2021	417,014							$ 20	$ 6	1,757,858			(1,340,870)
Beginning Balance at Mar. 31, 2021	(1,309,573)	$ (9,028)				$ 1	$ 6			(7)	$ (9,719)		(1,309,573)	$ 691
Beginning Balance (in shares) at Mar. 31, 2021						7,228,924	63,460,065
Temporary Equity, Beginning Balance (in shares) at Mar. 31, 2021					124,340,003
Temporary Equity, Beginning Balance at Mar. 31, 2021					$ 1,342,498
Stock-based compensation	7,444									7,444
Exercise of options (in shares)							1,812,081
Exercise of options	1,081									1,081
Adjustment to redemption value on Convertible Preferred Stock	1,011,726		0	0	(1,011,726)					1,011,726
Merger recapitalization- Class A	330,763				$ (330,772)		$ (2)	$ 14		330,751
Merger recapitalization- Class A (in shares)					(124,340,003)		(16,261,881)	140,601,884
Merger recapitalization- Class B	1					$ (1)	$ (4)		$ 6
Merger recapitalization- Class B (in shares)						(7,228,924)	(49,010,265)		56,239,189
Private offering and merger financing, net of redemptions and equity issuance cost	406,869							$ 6		406,863
Private offering and merger financing, net of redemptions and equity issuance cost, shares								57,489,019
Net loss	(31,297)												(31,297)
Ending Balance (in shares) at Jun. 30, 2021							56,239,189	198,090,903
Ending Balance at Jun. 30, 2021	417,014							$ 20	$ 6	1,757,858			(1,340,870)
Beginning Balance at Dec. 31, 2021	436,520							$ 22	$ 6	1,844,875			(1,408,383)
Beginning Balance (in shares) at Dec. 31, 2021								207,451,107	55,539,189
Stock-based compensation	17,041								$ (1)	17,041
Issuance Of Common Stock Under Equity Plans, Shares								1,159,383
Issuance Of Common Stock Under Equity Plans	793									793
Unrealized loss on available-for-sale marketable securities	(155)											$ (155)
Net loss	(85,713)												(85,713)
Ending Balance (in shares) at Mar. 31, 2022								208,610,490	55,539,188
Ending Balance at Mar. 31, 2022	368,486							$ 22	$ 6	1,862,709		(155)	(1,494,096)
Beginning Balance at Dec. 31, 2021	$ 436,520							$ 22	$ 6	1,844,875			(1,408,383)
Beginning Balance (in shares) at Dec. 31, 2021								207,451,107	55,539,189
Exercise of options (in shares)	231,491
Adjustment to redemption value on Convertible Preferred Stock			0	0
Net loss	$ (168,016)
Ending Balance (in shares) at Jun. 30, 2022								209,408,425	55,539,188
Ending Balance at Jun. 30, 2022	298,923							$ 22	$ 6	1,875,527		(233)	(1,576,399)
Beginning Balance at Mar. 31, 2022	368,486							$ 22	$ 6	1,862,709		(155)	(1,494,096)
Beginning Balance (in shares) at Mar. 31, 2022								208,610,490	55,539,188
Stock-based compensation	12,791									12,791
Issuance Of Common Stock Under Equity Plans, Shares								797,935
Issuance Of Common Stock Under Equity Plans	27									27
Adjustment to redemption value on Convertible Preferred Stock			$ 0	$ 0
Unrealized loss on available-for-sale marketable securities	(78)											(78)
Net loss	(82,303)												(82,303)
Ending Balance (in shares) at Jun. 30, 2022								209,408,425	55,539,188
Ending Balance at Jun. 30, 2022	$ 298,923							$ 22	$ 6	$ 1,875,527		$ (233)	$ (1,576,399)