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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table shows the computation of basic and diluted EPS for the years ended December 31, 2015, 2014 and 2013:

 
 
Year Ended
December 31,
 
 
2015
 
2014
 
2013
Numerator:
 
 
 
 
 
 
Net income attributable to common stockholders
 
$
27,358

 
$
41,013

 
$
20,342

 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
Weighted-average shares outstanding
 
21,218,233

 
19,933,652

 
16,100,882

Effect of dilutive securities
 
234,307

 
112,255

 
82,216

Weighted-average diluted shares
 
21,452,540

 
20,045,907

 
16,183,098

 
 
 
 
 
 
 
Basic earnings per share
 
$
1.29

 
$
2.06

 
$
1.26

Diluted earnings per share
 
$
1.28

 
$
2.05

 
$
1.26