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Earnings (Loss) Per Share Computation of Basic and Diluted Earnings (Loss) Per Share (Tables)
 6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings (Loss) Per Share
The following table sets forth the computation of basic and diluted earnings (loss) per share:
 
For the three months ended June 30,
 
For the six months ended June 30,
(Shares in thousands)
2016
 
2015
 
2016
 
2015
Numerator
 
 
 
 
 
 
 
Net income (loss) attributable to common shareholders, basic
$
15,533

 
$
(42,766
)
 
$
3,554

 
$
(159,878
)
  Add: Interest on 2033 Senior Notes
604

 
—

 
1,196

 
—

  Change in FV of embedded derivative income
(4,872
)
 
—

 
(4,734
)
 
—

Net income (loss) attributable to common shareholders, diluted
$
11,265

 
$
(42,766
)
 
$
16

 
$
(159,878
)
 
 
 
 
 
 
 
 
Denominator
 
 
 
 
 
 
 
(Shares in thousands)
 
 
 
 
 
 
 
Weighted average common shares outstanding, basic
547,559

 
462,253

 
546,691

 
454,361

Effect of dilutive securities:
 
 
 
 
 
 
 
  Stock options
4,264

 
—

 
4,222

 
—

  Warrants
661

 
—

 
1,267

 
—

  2033 Senior Notes
4,556

 
—

 
4,556

 
—

     Dilutive potential shares
9,481

 
—

 
10,045

 
—

Weighted average common shares outstanding, diluted
557,040

 
462,253

 
556,736

 
454,361

 
 
 
 
 
 
 
 
Earnings (loss) per share, basic
$
0.03

 
$
(0.09
)
 
$
0.01

 
$
(0.35
)
Earnings (loss) per share, diluted
$
0.02

 
$
(0.09
)
 
$
—

 
$
(0.35
)