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Net Income Per Common Share (Tables)
 6 Months Ended
Jun. 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
June 30,
 
Six Months Ended
June 30,
(in thousands, except per share amounts)
2018
 
2017
 
2018
 
2017
Net income
$
9,745

 
$
13,595

 
$
17,956

 
$
17,733

 
 
 
 
 
 
 
 
Basic weighted-average common shares outstanding
38,233

 
37,235

 
38,060

 
37,063

Effect of dilutive stock options
37

 
324

 
90

 
347

Effect of dilutive restricted stock
1,128

 
1,341

 
1,318

 
1,316

Diluted weighted-average common shares outstanding
39,398

 
38,900

 
39,468

 
38,726

 
 
 
 
 
 
 
 
Basic income per common share
$
0.25

 
$
0.37

 
$
0.47

 
$
0.48

Diluted income per common share
$
0.25

 
$
0.35

 
$
0.45

 
$
0.46

 
 
 
 
 
 
 
 
Antidilutive securities excluded from diluted net income per common share
327

 
339

 
300

 
379