Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computations of Basic and Diluted Net Income (Loss) Per Share

The computations of basic and diluted net income (loss) per share were as follows (in thousands, except per share data):

	Years Ended December 31,
	2021		2020			2019
Basic net income (loss) per share:
Net income (loss)	$	127,840	$	(111,250	)	$	(94,733	)
Shares used in computation:
Weighted-average common shares outstanding		42,438		37,281			36,690
Basic net income (loss) per share	$	3.01	$	(2.98	)	$	(2.58	)
Diluted net income (loss) per share:
Net income (loss)	$	127,840	$	(111,250	)	$	(94,733	)
Shares used in computation:
Weighted-average common shares outstanding		42,438		37,281			36,690
Stock options		1,467		—			—
Restricted stock units		2		—			—
Employee stock purchase plan		6		—			—
Weighted-average diluted common shares		43,913		37,281			36,690
Diluted net income (loss) per share	$	2.91	$	(2.98	)	$	(2.58	)

Schedules for Computation of Diluted Weighted-Average Shares Outstanding

The following potentially dilutive common stock equivalents outstanding at the end of the period were excluded from the computations of weighted-average diluted common shares for the periods indicated as their effects would be anti-dilutive (in thousands):

	Years Ended December 31,
	2021		2020		2019
Stock options issued and outstanding		4,939		6,361		5,544
Unvested restricted stock units outstanding		248		—		—
Employee stock purchase plan		—		19		17
		5,187		6,380		5,561