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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Summary of Per Common Share Data and Amounts
The following table presents a summary of per common share data and amounts for the periods indicated.

 
Three months ended June 30,
 
Six months ended June 30,
(in thousands, except per share data)
2015
 
2014
 
2015
 
2014
Net income as reported
$
8,716

 
$
7,160

 
$
18,062

 
$
13,008

Impact of assumed conversions
 
 
 
 
 
 
 
Interest on 9% convertible trust preferred securities, net of income tax
—

 
—

 
—

 
66

Net income available to common shareholders and assumed conversions
$
8,716

 
$
7,160

 
$
18,062

 
$
13,074

 
 
 
 
 
 
 
 
Weighted average common shares outstanding
19,978

 
19,824

 
19,958

 
19,673

Incremental shares from assumed conversions of convertible trust preferred securities
—

 
—

 
—

 
115

Additional dilutive common stock equivalents
190

 
139

 
211

 
168

Weighted average diluted common shares outstanding
$
20,168

 
$
19,963

 
$
20,169

 
$
19,956

 
 
 
 
 
 
 
 
Basic earnings per common share:
$
0.44

 
$
0.36

 
$
0.91

 
$
0.66

Diluted earnings per common share:
$
0.43

 
$
0.36

 
$
0.90

 
$
0.66