Net Loss Per Share Attributable To Common Stockholders - Computation of Basic And Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss	$ (157,487)	$ (157,754)	$ (39,855)
Gain on extinguishment of Series C and Series C-1 convertible preferred stock			9,840
Net loss attributable to common stockholders, basic and diluted	$ (157,487)	$ (157,754)	$ (30,015)
Denominator:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	3,968,432	1,944,857	394,405
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	3,968,432	1,944,857	394,405
Net loss per share attributable to common stockholders, basic	$ (39.68)	$ (81.11)	$ (76.10)
Net loss per share attributable to common stockholders, diluted	$ (39.68)	$ (81.11)	$ (76.10)