Basic and Diluted Net Loss per Share - Computation of Basic and Diluted Net Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss attributable to common stockholders	$ (19,679)	$ (16,252)	$ (9,153)	$ (51,404)	$ (35,931)	$ (60,557)
Denominator:
Weighted average shares outstanding, basic (in shares)	203,949,535		191,922,517		203,326,215	172,631,312
Weighted average shares outstanding, diluted (in shares)	203,949,535		191,922,517		203,326,215	172,631,312
Basic net loss per share (in dollars per share)	$ (0.10)		$ (0.05)		$ (0.18)	$ (0.35)
Diluted net loss per share (in dollars per share)	$ (0.10)		$ (0.05)		$ (0.18)	$ (0.35)
Common Class A
Numerator:
Net loss attributable to common stockholders	$ (18,871)		$ (8,753)		$ (34,451)	$ (57,927)
Denominator:
Weighted average shares outstanding, basic (in shares)	195,571,912		183,544,894		194,948,592	165,133,108
Weighted average shares outstanding, diluted (in shares)	195,571,912		183,544,894		194,948,592	165,133,108
Basic net loss per share (in dollars per share)	$ (0.10)		$ (0.05)		$ (0.18)	$ (0.35)
Diluted net loss per share (in dollars per share)	$ (0.10)		$ (0.05)		$ (0.18)	$ (0.35)
Common Class V
Numerator:
Net loss attributable to common stockholders	$ (808)		$ (400)		$ (1,480)	$ (2,630)
Denominator:
Weighted average shares outstanding, basic (in shares)	8,377,623		8,377,623		8,377,623	7,498,204
Weighted average shares outstanding, diluted (in shares)	8,377,623		8,377,623		8,377,623	7,498,204
Basic net loss per share (in dollars per share)	$ (0.10)		$ (0.05)		$ (0.18)	$ (0.35)
Diluted net loss per share (in dollars per share)	$ (0.10)		$ (0.05)		$ (0.18)	$ (0.35)