Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of weighted-average anti-dilutive securities excluded from computation of earnings per share

The following table details the weighted-average anti-dilutive securities for the years presented:

	For the Years Ended December 31,
	2019	2018	2017
	(in thousands)
Anti-dilutive	684	—	264

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 Years Ended December 31,
	2019			2018		2017
	(in thousands, except per share data)
Net income (loss)	$	(187,001	)	$	508,407	$	(160,843	)
Basic weighted-average common shares outstanding	112,544			111,912		111,428
Dilutive effect of non-vested RSUs and contingent PSUs	—			1,590		—
Diluted weighted-average common shares outstanding	112,544			113,502		111,428
Basic net income (loss) per common share	$	(1.66	)	$	4.54	$	(1.44	)
Diluted net income (loss) per common share	$	(1.66	)	$	4.48	$	(1.44	)