Earnings (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

The following is a calculation of the basic and diluted weighted-average number of shares of common stock and EPS for the three and six months ended June 30, 2017 and 2016, respectively:

	Three Months Ended June 30,
(in thousands, except per share data)	2017						2016
	Income		Shares		Per Share		(Loss)			Shares		Per Share
Basic:
Net income (loss)	$	11,494		262,423	$	0.04	$	(73,163	)		223,013	$	(0.33	)
Weighted-average number of shares of common    stock-diluted:
Restricted stock and performance unit awards		—		1,997				—			—
Diluted:
Net income (loss)	$	11,494		264,420	$	0.04	$	(73,163	)		223,013	$	(0.33	)

	Six Months Ended June 30,
(in thousands, except per share data)	2017						2016
	Income		Shares		Per Share		(Loss)			Shares		Per Share
Basic:
Net income (loss)	$	38,341		261,768	$	0.15	$	(118,697	)		222,898	$	(0.53	)
Weighted-average number of shares of common    stock-diluted:
Restricted stock and performance unit awards		—		2,553				—			—
Diluted:
Net income (loss)	$	38,341		264,321	$	0.15	$	(118,697	)		222,898	$	(0.53	)