Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator:
Net loss	$ (20,184)	$ (35,658)	$ (43,509)	$ (78,322)
Denominator:
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders - basic (in shares)	299,805	291,995	298,836	291,068
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders - diluted (in shares)	299,805	291,995	298,836	291,068
Net loss per share attributable to Class A and Class B common stockholders - diluted (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.15)	$ (0.27)
Net loss per share attributable to Class A and Class B common stockholders - basic (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.15)	$ (0.27)