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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share
The following table shows the computation of basic and diluted EPS for the three and six month periods ended June 30, 2015 and June 30, 2014, respectively:

 
 
Three Months Ended June 30,
 
Six Months Ended
June 30,
 
 
2015
 
2014
 
2015
 
2014
Numerator:
 
 
 
 
 
 
 
 
Net income attributable to common stockholders
 
$
5,275

 
$
9,590

 
$
5,473

 
$
20,979

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
Weighted-average shares outstanding
 
21,255,496

 
20,735,135

 
21,145,624

 
19,105,666

Effect of dilutive securities
 
253,015

 
110,559

 
230,916

 
98,139

Weighted-average diluted shares
 
21,508,511

 
20,845,694

 
21,376,540

 
19,203,805

 
 
 
 
 
 
 
 
 
Basic earnings per share
 
$
0.25

 
$
0.46

 
$
0.26

 
$
1.10

Diluted earnings per share
 
$
0.25

 
$
0.46

 
$
0.26

 
$
1.09