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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share [Abstract] |
Computation of basic and diluted earnings per share | The computation of basic and diluted earnings per share is shown below (in thousands except per share data):
|  | Three months ended March 31, |
|  | 2013 |  |  | 2012 |
Basic earnings per common share computation: |  |  |  |  |  |  |  |
Net income per consolidated statements of income |  | $ | 4,297 |  |  | $ | 4,347 |
Net earnings allocated to participating securities |  |  | (20 | ) |  |  | (16 | )
Net earnings allocated to common stock |  | $ | 4,277 |  |  | $ | 4,331 |
Distributed earnings allocated to common stock |  | $ | 2,053 |  |  | $ | 2,041 |
Undistributed earnings allocated to common stock |  |  | 2,224 |  |  |  | 2,290 |
Net earnings allocated to common stock |  | $ | 4,277 |  |  | $ | 4,331 |
Weighted average common shares outstanding, including shares considered participating securities |  |  | 12,493 |  |  |  | 12,402 |
Less: Average participating securities |  |  | (49 | ) |  |  | (40 | )
Weighted average shares |  |  | 12,444 |  |  |  | 12,362 |
Basic earnings per common share |  | $ | 0.34 |  |  | $ | 0.35 |
Diluted earnings per common share computation: |  |  |  |  |  |  |  |
Net earnings allocated to common stock |  | $ | 4,277 |  |  | $ | 4,331 |
Weighted average common shares outstanding for basic earnings per common share |  |  | 12,444 |  |  |  | 12,362 |
Add: Dilutive effects of assumed exercises of stock options |  |  | 1 |  |  |  | 4 |
Weighted average shares and dilutive potential common shares |  |  | 12,445 |  |  |  | 12,366 |
Diluted earnings per common share |  | $ | 0.34 |  |  | $ | 0.35 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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