Net Loss Per Share Attributable to Common Stockholders - EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net loss attributable to Class A and Class B common stockholders, basic	$ (58,797)	$ (44,688)	$ (127,598)	$ (105,286)
Net loss attributable to Class A and Class B common stockholders, diluted	$ (58,797)	$ (44,688)	$ (127,598)	$ (105,286)
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, basic (in shares)	538,267,449	544,704,146	538,988,940	543,524,008
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, diluted (in shares)	538,267,449	544,704,146	538,988,940	543,524,008
Net loss per share attributable to Class A and Class B common stockholders, basic (in dollars per share)	$ (0.11)	$ (0.08)	$ (0.24)	$ (0.19)
Net loss per share attributable to Class A and Class B common stockholders, diluted (in dollars per share)	$ (0.11)	$ (0.08)	$ (0.24)	$ (0.19)