Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2021

Net Loss per Share

Basic and diluted net loss per share

	December 31,
	2021		2020		2019
	(in thousands, except per share data)
Numerator:
Net loss used to compute net loss per share, basic and diluted	$	(471,716)	$	(229,743)	$	(124,827)
Denominator:
Weighted-average number of shares used in computing net loss per share, basic and diluted		90,558		81,011		69,555
Net loss per share, basic and diluted	$	(5.21)	$	(2.84)	$	(1.79)

Total outstanding potentially dilutive shares

	December 31,
	2021	2020	2019
	(in thousands)
Options to purchase common stock	5,898	6,707	8,497
Restricted stock units	3,988	4,188	2,404
Employee stock purchase plan	33	37	32
Convertible Note	7,411	7,411	—
Estimated earnout shares for an asset acquisition	353	—	—
	17,683	18,343	10,933