Earnings Per Share Attributable to Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Share

The following table presents the calculation of basic and diluted net loss per share attributable to common stockholders for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021			2020
	(in thousands, except per share data)
Basic loss per share:
Net loss attributable to common stockholders (numerator)	$	(75,461	)	$	(33,427	)
Shares used in computation (denominator)
Weighted-average common shares outstanding		93,215			91,793
Basic loss per share	$	(0.81	)	$	(0.36	)
Diluted loss per share:
Net loss attributable to common stockholders (numerator)	$	(75,461	)	$	(33,427	)
Shares used in computation (denominator)
Weighted-average common shares outstanding		93,215			91,793
Effect of dilutive securities:
Stock options		—			—
Restricted stock units		—			—
Weighted-average diluted shares		93,215			91,793
Diluted loss per share	$	(0.81	)	$	(0.36	)

Anti-dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share

The number of shares of common stock underlying stock-based awards excluded from the calculation of diluted net loss per share attributable to common stockholders because their effect would have been antidilutive for the three months ended March 31, 2021 and 2020 were as follows:  

	Three Months Ended March 31,
	2021		2020
	(in thousands)
Anti-dilutive shares underlying stock-based awards:
Stock options		2,492		2,908
Restricted stock units		4,041		4,403