Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table presents the weighted-average anti-dilutive securities for the periods presented:

	For the Three Months Ended   September 30,		For the Nine Months Ended   September 30,
	2018	2017	2018	2017
	(in thousands)
Anti-dilutive	2,433	—	—	78

Schedule of calculations of basic and diluted net loss per common share

The following table sets forth the calculations of basic and diluted net income (loss) per common share:

	For the Three Months Ended   September 30,						For the Nine Months Ended   September 30,
	2018			2017			2018		2017
	(in thousands, except per share data)
Net income (loss)	$	(135,923	)	$	(89,112	)	$	198,675	$	(134,585	)
Basic weighted-average common shares outstanding	112,107			111,575			111,836		111,366
Dilutive effect of non-vested RSUs and contingent PSUs	—			—			1,764		—
Dilutive effect of Senior Convertible Notes	—			—			—		—
Diluted weighted-average common shares outstanding	112,107			111,575			113,600		111,366
Basic net income (loss) per common share	$	(1.21	)	$	(0.80	)	$	1.78	$	(1.21	)
Diluted net income (loss) per common share	$	(1.21	)	$	(0.80	)	$	1.75	$	(1.21	)