Summary of Significant Accounting Policies - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss attributable to common stockholders	$ (40,817)	$ (56,874)
Denominator:
Total weighted-average common shares outstanding - basic and diluted	187,091,570	165,611,120
Less: Restricted shares of common stock	8,217,378	11,179,093
Total weighted-average common shares outstanding, net of restricted shares of common stock - basic and diluted	178,874,192	154,432,027
Net loss per share:
Net loss per share - basic and diluted	$ (0.23)	$ (0.37)