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Earnings Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of basic and diluted earnings per common share:
 
 
 
2014
 
2013
 
2012
 
 
 
(In Thousands, Except Per Share Amounts)
 
Numerator for basic and diluted earnings per common share-net income applicable to common shares
 
$
24,292
 
$
22,235
 
$
18,047
 
Denominator:
 
 
 
 
 
 
 
 
 
 
Denominator for basic earnings per common share-weighted-average common shares, including participating securities
 
 
9,511
 
 
9,764
 
 
9,728
 
Effect of dilutive securities:
 
 
 
 
 
 
 
 
 
 
Employee stock options
 
 
111
 
 
87
 
 
51
 
Warrants
 
 
353
 
 
320
 
 
219
 
Dilutive potential common shares
 
 
464
 
 
407
 
 
270
 
Denominator for diluted earnings per common share
 
 
9,975
 
 
10,171
 
 
9,998
 
Basic earnings per common share
 
$
2.55
 
$
2.28
 
$
1.86
 
Diluted earnings per common share
 
$
2.44
 
$
2.19
 
$
1.81