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Earnings Per Share
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Earnings per share
Earnings per share

The following table presents the basic and diluted earnings (loss) per share computations for the three and six months ended June 30, 2014 and 2013: 
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(in thousands, except per share data)
 
2014
 
2013
 
2014
 
2013
Basic net income (loss) per common share:
 
 
 
 
 
 
 
 
    Net income (loss)
 
$
2,293

 
$
85,598

 
$
(2,313
)
 
$
243,718

    Weighted average common shares outstanding
 
270,492

 
214,788

 
265,631

 
214,786

    Net income (loss) per basic common share
 
$
0.01

 
$
0.40

 
$
(0.01
)
 
$
1.13

Diluted net income (loss) per common share:
 
 
 
 
 
 
 
 
   Net income (loss)
 
$
2,293

 
$
85,598

 
$
(2,313
)
 
$
243,718

Weighted average common shares outstanding
 
270,492

 
214,788

 
265,631

 
214,786

Dilutive effect of:
 
 
 
 
 
 
 
 
Stock options
 
—

 
437

 
—

 
—

Restricted shares
 
734

 
798

 
—

 
561

Weighted average common shares and common share equivalents outstanding
 
271,226

 
216,023

 
265,631

 
215,347

    Net income (loss) per diluted common share
 
$
0.01

 
$
0.40

 
$
(0.01
)
 
$
1.13


Diluted earnings per share for the three and six months ended June 30, 2014 and 2013 is computed in the same manner as basic earnings per share after assuming the issuance of common stock for all potentially dilutive common stock equivalents, which include both stock options and restricted stock awards, whether exercisable or not. The computation of diluted earnings per share excluded 12,855,434 and 12,133,160 antidilutive share equivalents for the three months ended June 30, 2014 and 2013, respectively, and 13,853,885 and 15,837,472 antidilutive share equivalents for the six months ended June 30, 2014 and 2013, respectively. The antidilutive share equivalents primarily consisted of out-of-the-money stock options for the three months ended June 30, 2014 and 2013 and the six months ended June 30, 2013.