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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the reconciliation from basic to diluted average common shares and the calculations of net income per common share.  Net income for basic and diluted calculations do not differ.
 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
(In thousands, except per share)
2013
 
2012
 
2013
 
2012
Net Income
$
11,333

 
$
8,575

 
$
30,070

 
$
24,704

Average Common Shares:
 
 
 
 
 
 
 
Basic (weighted-average outstanding shares)
12,069

 
11,903

 
12,040

 
11,887

Dilutive potential common shares from stock options
160

 
153

 
156

 
160

Diluted (weighted-average outstanding shares)
12,229

 
12,056

 
12,196

 
12,047

 
 
 
 
 
 
 
 
Basic earnings per share
$
0.94

 
$
0.72

 
$
2.50

 
$
2.08

Diluted earnings per share
$
0.93

 
$
0.71

 
$
2.47

 
$
2.05