Net Loss Per Share - Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Denominator:
Weighted-average shares used in computing net loss per share, basic (in shares)	681,140	656,899
Weighted-average shares used in computing net loss per share, diluted (in shares)	681,140	656,899
Basic net loss per share (in dollars per share)	$ (0.31)	$ (0.01)
Diluted net loss per share (in dollars per share)	$ (0.31)	$ (0.01)
Class A
Numerator:
Net loss, basic	$ (181,226)	$ (4,568)
Net loss, diluted	$ (181,226)	$ (4,568)
Denominator:
Weighted-average shares used in computing net loss per share, basic (in shares)	591,815	568,238
Weighted-average shares used in computing net loss per share, diluted (in shares)	591,815	568,238
Basic net loss per share (in dollars per share)	$ (0.31)	$ (0.01)
Diluted net loss per share (in dollars per share)	$ (0.31)	$ (0.01)
Class B
Numerator:
Net loss, basic	$ (27,353)	$ (713)
Net loss, diluted	$ (27,353)	$ (713)
Denominator:
Weighted-average shares used in computing net loss per share, basic (in shares)	89,325	88,661
Weighted-average shares used in computing net loss per share, diluted (in shares)	89,325	88,661
Basic net loss per share (in dollars per share)	$ (0.31)	$ (0.01)
Diluted net loss per share (in dollars per share)	$ (0.31)	$ (0.01)