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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Summary Of Basic And Diluted Earnings Per Share
Basic and diluted EPS for the years ended December 31, 2017, 2016, and 2015 were as follows: 
 
Year Ended December 31,
 
2017
 
2016
 
2015
 
(in thousands, except per share data)
Numerator:
 
 
 
 
 
Net loss attributable to common stockholders - basic and diluted
$
(5,294
)
 
$
(31,738
)
 
$
(98,007
)
Denominator:
 

 
 

 
 

Weighted average common shares outstanding - basic and diluted
72,255

 
73,371

 
75,604

 
 
 
 
 
 
Net loss per common share:
 
 
 
 
 
Basic
$
(0.07
)
 
$
(0.43
)
 
$
(1.30
)
Diluted
$
(0.07
)
 
$
(0.43
)
 
$
(1.30
)