Convertible Preferred Stock and Stockholders' Equity - Restricted stock unit activity under all equity and stock option plans (Details ) - Restricted Stock Units (RSUs)	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Number of Restricted Stock Units
Balance at the beginning of the period | shares	4,008,832
Granted | shares	2,965,012
Vested | shares	(553,658)
Cancelled | shares	(578,584)
Balance at the end of the period | shares	5,841,602
Weighted-Average Grant Date Fair Value per Share
Balance at the beginning of the period | $ / shares	$ 58.60
Granted | $ / shares	37.85
Vested | $ / shares	53.13
Cancelled | $ / shares	52.56
Balance at the end of the period | $ / shares	$ 49.34