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Earnings Per Share
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE
Earnings per share consisted of the following components for the periods indicated:

 
Three Months Ended
 
Nine Months Ended
 
September 30
 
September 30
 
2018
 
2017
 
2018
 
2017
 
(Dollars in thousands, except per share data)
Net income
$
33,015

 
$
23,852

 
$
91,688

 
$
65,140

 
 
 
 
 
 
 
 
Weighted Average Shares
 
 
 
Basic shares
27,537,841

 
27,436,792

 
27,517,210

 
27,242,902

Effect of dilutive securities
63,499

 
76,307

 
62,596

 
78,043

Diluted shares
27,601,340

 
27,513,099

 
27,579,806

 
27,320,945

 
 
 
 
 
 
 
 
Net income per share
 
 
 
 
 
 
 
Basic EPS
$
1.20

 
$
0.87

 
$
3.33

 
$
2.39

Effect of dilutive securities
—

 
—

 
(0.01
)
 
(0.01
)
Diluted EPS
$
1.20

 
$
0.87

 
$
3.32

 
$
2.38



During the three and nine months ended September 30, 2018 and 2017 there were no options to purchase common stock or shares of performance-based restricted stock that were excluded from the calculation of diluted earnings per share because they were anti-dilutive.