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Earnings per share
9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings per share

The following table sets forth the components of diluted earnings per share (in thousands, except share and per share amounts):

 
Three months ended September 30, 2013
 
Nine months ended September 30, 2013
Numerator
 
 
 
Net income
$
13,709

 
$
17,952

 
 
 
 
Denominator
 
 
 
Weighted average common stock outstanding – basic
25,078,727

 
17,484,598

Stock options using the treasury method
870,566

 
888,607

Weighted average common stock outstanding – diluted
25,949,293

 
18,373,205

 
 
 
 
Earnings per basic share
$
0.55

 
$
1.03

Earnings per diluted share
$
0.53

 
$
0.98

 
 
 
 
Stock options excluded from the calculation of diluted earnings per share because inclusion would have been anti-dilutive