Consolidated Statements of Convertible Preferred Stock and Stockholders’ Equity (Deficit) - USD ($) $ in Thousands	Total	Founders Preferred Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income Loss	Accumulated Deficit	Series A Convertible Preferred Stock	Class A Common Stock	Class A Common Stock Common Stock	Class B Common Stock	Class B Common Stock Common Stock
Beginning balance (in shares) at Dec. 31, 2019						94,818,151
Beginning balance at Dec. 31, 2019						$ 244,743
Ending balance (in shares) at Mar. 31, 2020						94,818,151
Ending balance at Mar. 31, 2020						$ 244,743
Beginning balance (in shares) at Dec. 31, 2019		26,206,837
Beginning balance at Dec. 31, 2019	$ (211,730)	$ 3	$ 10,457	$ (1)	$ (222,203)			$ 14		$ 0
Beginning balance (in shares) at Dec. 31, 2019								139,635,890		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	1,141		1,141
Other comprehensive Income	(7)			(7)
Net loss	(15,581)				(15,581)
Ending balance (in shares) at Mar. 31, 2020		26,206,837
Ending balance at Mar. 31, 2020	(226,177)	$ 3	11,598	(8)	(237,784)			$ 14		$ 0
Ending balance (in shares) at Mar. 31, 2020								139,635,890		0
Beginning balance (in shares) at Dec. 31, 2020						0
Beginning balance at Dec. 31, 2020						$ 0
Ending balance (in shares) at Mar. 31, 2021						0
Ending balance at Mar. 31, 2021						$ 0
Beginning balance (in shares) at Dec. 31, 2020		0
Beginning balance at Dec. 31, 2020	148,741	$ 0	733,175	34	(584,501)			$ 22		$ 11
Beginning balance (in shares) at Dec. 31, 2020								218,818,037		105,118,203
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of SAFE into Series A common stock and Issuance of Class A common stock upon exercise of warrants (in shares)								15,757,955
Conversion of SAFE into Series A common stock and Issuance of Class A common stock upon exercise of warrants	492,542		492,541					$ 1
Share-based compensation	1,843		1,843
Other comprehensive Income	(43)			(43)
Net loss	(75,923)				(75,923)
Ending balance (in shares) at Mar. 31, 2021		0
Ending balance at Mar. 31, 2021	$ 567,160	$ 0	$ 1,227,559	$ (9)	$ (660,424)			$ 23		$ 11
Ending balance (in shares) at Mar. 31, 2021							234,575,992	234,575,992	105,118,203	105,118,203