Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Basic and Diluted Net Loss per Share Attributable to Common Stockholders

Basic and diluted net loss per share attributable to common stockholders was calculated as follows:

	Year Ended December 31,
	2022			2021			2020
Numerator:
Net loss attributable to common stockholders	$	(250,157	)	$	(65,578	)	$	(89,127	)
Denominator:
Weighted average common shares outstanding, basic and diluted		108,077,043			91,702,866			79,789,220
Net loss per share attributable to common stockholders, basic and diluted	$	(2.31	)	$	(0.72	)	$	(1.12	)

Summary of Potential Common Shares Excluded from Calculation of Diluted Net Loss per Share

The following potential common shares, presented based on amounts outstanding at each period end, were excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:

	Year Ended December 31,
	2022		2021		2020
Stock options to purchase common stock		14,940,034		11,517,189		10,037,130
Unvested restricted stock units		1,549,540		734,755		6,500
Shares issuable under employee stock purchase plan		89,593		165,047		10,786
		16,579,167		12,416,991		10,054,416