Net Income (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Net income (loss) per share attributable to common stockholders

The following table illustrates the computation of basic and diluted EPS (in thousands, except per share amounts):

	Year Ended December 31,
	2022			2021			2020
Numerator
Income (loss) from continuing operations	$	(107,329	)	$	(405,484	)	$	(63,208	)
Noncontrolling interests’ share in (earnings) loss from    continuing operations		311			300			—
Net income (loss) attributable to common stockholders    before discontinued operations		(107,018	)		(405,184	)		(63,208	)
Income (loss) from discontinued operations		465			(1,303	)		3,156
Net income (loss) attributable to common stockholders	$	(106,553	)	$	(406,487	)	$	(60,052	)
Denominator
Weighted average shares outstanding, basic and diluted		408,154			372,931			323,462
Net income (loss) per share attributable to    common stockholders
Net income (loss) per common share from continuing operations,    basic and diluted	$	(0.26	)	$	(1.09	)	$	(0.20	)
Net income (loss) per common share from discontinued    operations, basic and diluted	$	—		$	—		$	0.01

Summary of Weighted-average Potential Shares of Common Stock Were Excluded From Calculation of Diluted Net Income (Loss) Per Share Attributable to Common Stockholders

The following table provides the potential shares of common stock that were excluded from the calculation of diluted net income (loss) per share attributable to common stockholders because their effect would have been anti-dilutive (in thousands):

	December 31,
	2022		2021		2020
Stock options - service only condition		10,638		17,201		23,646
Stock options - market and performance condition(1)		9,167		14,428		17,675
Restricted stock units		7,282		894		110

(1)Market and performance conditions were satisfied during 2021.