Net Loss per Share Attributable to Common Stockholders (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2021				2020				2021				2020
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
	(in thousands, except per share data)
Net loss attributable to common stockholders	$	(91,665)	$	(15,670)	$	(18,119)	$	(8,349)	$	(153,359)	$	(29,449)	$	(45,059)	$	(40,290)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	268,621		45,922		206,528		95,161		259,741		49,877		157,656		140,972
Net loss per share attributable to common stockholders, basic and diluted	$	(0.34)	$	(0.34)	$	(0.09)	$	(0.09)	$	(0.59)	$	(0.59)	$	(0.29)	$	(0.29)

Schedule of Potential Shares of Common Stock Excluded from Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

The potential shares of common stock that were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because including them would have been antidilutive are as follows:

	September 30,
	2021	2020
	(in thousands)
2025 Notes	4,676	15,363
2026 Notes	6,761	—
Shares subject to repurchase	2,505	4,354
Unexercised stock options	14,722	19,065
Unvested restricted stock and RSUs	7,715	8,524
Shares issuable pursuant to the ESPP	141	228
Total	36,520	47,534