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Earnings Per Share Level 3 (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Earnings per share is calculated as follows:
For the Three Months Ended
 
For the Nine Months Ended
 
September 30, 2012
 
September 30, 2011
 
September 30, 2012
 
September 30, 2011
Numerator for both basic and diluted earnings per share:
 
 
 
 
 
 
 
Net income
$
4,110

 
$
4,072

 
$
11,575

 
$
9,024

Denominator:
 
 
 
 
 
 
 
Total average basic common shares outstanding
19,531,694

 
20,404,441

 
19,705,105

 
20,355,057

Effect of dilutive stock options and restricted stock awards
931,544

 
809,924

 
914,979

 
1,020,127

Total average diluted common shares outstanding
20,463,238

 
21,214,365

 
20,620,084

 
21,375,184

 
 
 
 
 
 
 
 
Earnings per share-basic
$
0.21

 
$
0.20

 
$
0.59

 
$
0.44

Earnings per share-diluted
$
0.20

 
$
0.19

 
$
0.56

 
$
0.42

 
 
 
 
 
 
 
 
Weighted average anti-dilutive common shares
567,995

 
512,298

 
431,446

 
283,762