Basic and Diluted Net Loss per Share - 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	$ (65,341)	$ (13,548)
Denominator:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)	183,498,082	16,019,559
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)	183,498,082	16,019,559
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.36)	$ (0.85)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.36)	$ (0.85)