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Net Income Per Common Share (Tables)
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Summary of net income per common share
A summary of net income per common share is presented below:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
(in thousands, except per share amounts)
2018
 
2017
 
2018
 
2017
Net income
$
9,269

 
$
8,526

 
$
27,225

 
$
26,259

 
 
 
 
 
 
 
 
Basic weighted-average common shares outstanding
38,342

 
37,393

 
38,155

 
37,174

Effect of dilutive stock options
31

 
318

 
70

 
371

Effect of dilutive restricted stock
1,029

 
1,410

 
1,242

 
1,426

Diluted weighted-average common shares outstanding
39,402

 
39,121

 
39,467

 
38,971

 
 
 
 
 
 
 
 
Basic income per common share
$
0.24

 
$
0.23

 
$
0.71

 
$
0.71

Diluted income per common share
$
0.24

 
$
0.22

 
$
0.69

 
$
0.67

 
 
 
 
 
 
 
 
Antidilutive securities excluded from diluted net income per common share
355

 
322

 
346

 
378