Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of weighted-average anti-dilutive securities

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

	For the Years Ended December 31,
	2020	2019	2018
	(in thousands)
Anti-dilutive	265	684	—

Schedule of calculations of basic and diluted net income (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,
	2020		2019		2018
	(in thousands, except per share data)
Net income (loss)	$	(764,614)	$	(187,001)	$	508,407
Basic weighted-average common shares outstanding	113,730		112,544		111,912
Dilutive effect of non-vested RSUs and contingent PSUs	—		—		1,590
Diluted weighted-average common shares outstanding	113,730		112,544		113,502
Basic net income (loss) per common share	$	(6.72)	$	(1.66)	$	4.54
Diluted net income (loss) per common share	$	(6.72)	$	(1.66)	$	4.48