Earnings (Loss) Per Share
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share
Earnings (Loss) Per Share
Basic and diluted net income (loss) per common share are calculated as follows (in thousands, except share and per share data):
 
 
Year Ended December 31,
 
 
2015
 
2014
 
2013
Net income (loss)
 
$
(84,256
)
 
$
(79,620
)
 
$
130,083

Basic weighted-average common shares
 
96,806,885

 
95,760,762

 
95,687,940

Add: Effect of dilutive securities
 
—

 
—

 
1,157,724

Diluted weighted-average common shares
 
96,806,885

 
95,760,762

 
96,845,664

Net income (loss) per common share (basic)
 
$
(0.87
)
 
$
(0.83
)
 
$
1.36

Net income (loss) per common share (diluted)
 
$
(0.87
)
 
$
(0.83
)
 
$
1.34


Stock options totaling 18,450,699 were not included in the computation of diluted income per share for the year ended December 31, 2013 as the options were anti-dilutive. Due to the net loss, stock options and RSAs totaling 24,516,198 and 22,401,870 were not included in the computation of diluted income (loss) per share for the years ended December 31, 2015 and 2014, respectively.