CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Convertible Preferred Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-In Capital	Accumulated Deficit	Class A Common Stock	Class B Common Stock	Total
Convertible Preferred Stock, Balance at beginning of the period at Dec. 31, 2020	$ 360,937
Convertible Preferred Stock, Balance at beginning of the period (in shares) at Dec. 31, 2020	107,197,118
Increase (Decrease) in Convertible Preferred Stock
Conversion of convertible preferred stock	$ (360,937)
Conversion of convertible preferred stock (in shares)	(107,197,118)
Balance at beginning of the period at Dec. 31, 2020		$ 1		$ 32,874	$ (394,806)			$ (361,931)
Balance at beginning of the period (in shares) at Dec. 31, 2020		6,593,291
Increase (Decrease) in Stockholders' Equity
Net loss					(17,193)			(17,193)
Common stock issued upon exercise of stock options and warrants		$ 1		19,322				19,323
Common stock issued upon exercise of stock options and warrants (in shares)		8,268,869
Common stock issued upon vesting of restricted stock units (in shares)		597,021
Conversion of convertible preferred stock		$ 8	$ 3	360,926				360,937
Conversion of convertible preferred stock (in shares)		80,770,178	26,426,937
Conversion of convertible debt		$ 1		49,916				49,917
Conversion of convertible debt (in shares)		5,115,140
Net equity infusion from the Business Combination		$ 6		361,281				361,287
Net equity infusion from the Business Combination (in shares)		69,228,811
Stock-based compensation expense				38,921				38,921
Balance at end of the period at Sep. 30, 2021		$ 17	$ 3	863,240	(411,999)			451,261
Balance at end of the period (in shares) at Sep. 30, 2021		170,573,310	26,426,937
Balance at beginning of the period at Jun. 30, 2021		$ 17	$ 3	844,770	(398,438)			446,352
Balance at beginning of the period (in shares) at Jun. 30, 2021		167,477,126	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss					(13,561)			(13,561)
Common stock issued upon exercise of stock options and warrants				7,634				7,634
Common stock issued upon exercise of stock options and warrants (in shares)		2,966,397
Common stock issued upon vesting of restricted stock units (in shares)		129,787
Stock-based compensation expense				10,836				10,836
Balance at end of the period at Sep. 30, 2021		$ 17	$ 3	863,240	(411,999)			451,261
Balance at end of the period (in shares) at Sep. 30, 2021		170,573,310	26,426,937
Balance at beginning of the period at Dec. 31, 2021		$ 17	$ 3	874,886	(427,215)			447,691
Balance at beginning of the period (in shares) at Dec. 31, 2021		171,613,049	26,426,937			171,613,049	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss					(135,020)			(135,020)
Common stock issued upon exercise of stock options and warrants				2,844				2,844
Common stock issued upon exercise of stock options and warrants (in shares)		1,035,574
Common stock issued upon vesting of restricted stock units				(106)				(106)
Common stock issued upon vesting of restricted stock units (in shares)		1,425,979
Stock-based compensation expense				28,228				28,228
Balance at end of the period at Sep. 30, 2022		$ 17	$ 3	905,852	(562,235)			343,637
Balance at end of the period (in shares) at Sep. 30, 2022		174,074,602	26,426,937			174,074,602	26,426,937
Balance at beginning of the period at Jun. 30, 2022		$ 17	$ 3	894,162	(507,493)			386,689
Balance at beginning of the period (in shares) at Jun. 30, 2022		172,816,532	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss					(54,742)			(54,742)
Common stock issued upon exercise of stock options and warrants				2,034				2,034
Common stock issued upon exercise of stock options and warrants (in shares)		691,907
Common stock issued upon vesting of restricted stock units (in shares)		566,163
Stock-based compensation expense				9,656				9,656
Balance at end of the period at Sep. 30, 2022		$ 17	$ 3	$ 905,852	$ (562,235)			$ 343,637
Balance at end of the period (in shares) at Sep. 30, 2022		174,074,602	26,426,937			174,074,602	26,426,937