Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Potentially Dilutive Weighted Average Securities Excluded From the Calculation of Diluted Net Income (Loss) Per Share Attributable to Common Stockholders

The following potentially dilutive weighted average securities were excluded from the calculation of diluted net income (loss) per share available to common stockholders during the periods presented, as the effect was anti-dilutive:

	Three Months   Ended   March 31,   2020	Three Months   Ended   March 31,   2019
Stock appreciation rights	—	1,012,097
2019 Convertible Senior Notes	—	2,624,215
2036 Convertible Senior Notes	—	3,737,641
Total	—	7,373,953

Calculation of Diluted Net Income (Loss) Per Share

The following table presents the calculation of diluted net income (loss) per share available to common stockholders:

	Three Months   Ended   March 31,   2020			Three Months   Ended   March 31,   2019
Net income (loss) from continuing operations available to the Company’s common stockholders - Basic	$	75,300		$	(41,387	)
Plus (less): effect of participating securities	1,553			—
Net income (loss) available to common stockholders	76,853			(41,387		)
Less: effect of participating securities	(1,553		)	—
Net income (loss) from continuing operations available to the Company's common stockholders - Diluted	$	75,300		$	(41,387	)
Net income (loss) from discontinued operations available to the Company’s common stockholders - Basic	$	—		$	(2,017	)
Plus (less): effect of participating securities	—			—
Net income (loss) available to common stockholders	—			(2,017		)
Less: effect of participating securities	—			—
Net income (loss) from discontinued operations available to the Company's common stockholders - Diluted	$	—		$	(2,017	)
Net income (loss) available to the Company's common stockholders - Basic	$	75,300		$	(43,404	)
Plus (less): effect of participating securities	1,553			—
Net income (loss) available to common stockholders	76,853			(43,404		)
Less: effect of participating securities	(1,553		)	—
Net income (loss) available to the Company's common stockholders - Diluted	$	75,300		$	(43,404	)
Shares:
Weighted-average shares used to compute basic net income (loss) per share	38,979,057			37,353,352
Adjustment to reflect conversion of convertible notes	4,190,024			—
Adjustment to reflect stock appreciation right conversions	523,074			—
Weighted-average shares used to compute diluted net income (loss) per share	43,692,155			37,353,352
Net income (loss) per share available to common stockholders - Diluted
Continuing operations	$	1.72		$	(1.11	)
Discontinued operations	$	—		$	(0.05	)
Diluted net income (loss)	$	1.72		$	(1.16	)