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Earnings Per Share
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:
 
 
Three Months Ended
 
Six Months Ended
 
 
June 30,
 
June 30,
 
 
2017
 
2016
 
2017
 
2016
Numerator:
 
 
 
 
 
 
 
 
Net income
 
$
15,239

 
$
11,673

 
$
47,884

 
$
24,847

 
 
 
 
 
 
 
 
 
Denominator (in thousands):
 
 
 
 
 
 
 
 
Weighted-average common shares for calculating basic earnings per share
 
48,261

 
28,243

 
48,324

 
28,242

Effect of dilutive securities:
 
 
 
 
 
 
 
 
Stock options and nonvested stock awards
 
28

 
—

 
21

 
—

Weighted-average common shares for calculating diluted earnings per share
 
48,289

 
28,243

 
48,345

 
28,242

 
 
 
 
 
 
 
 
 
Net income per share:
 
 
 
 
 
 
 
 
Basic
 
$
0.32

 
$
0.41

 
$
0.99

 
$
0.88

Diluted
 
$
0.32

 
$
0.41

 
$
0.99

 
$
0.88