Net Loss Per Share Attributable to Common Stockholders - Calculation of Basic Net Earnings (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 shareholders	$ (292,325)	$ (199,854)
Denominator:
Weighted average Class A and Class B shares used in computing net loss per share attributable to common stockholder, basic (in shares)	575,700,568	482,260,465
Basic loss per share (in USD per share)	$ (0.51)	$ (0.41)