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Earning Per Share (Tables) | 6 Months Ended
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Jun. 30, 2012
Earnings Per Share [Abstract] |
Computation of basic and diluted earning per share | The computation of basic and diluted earnings per share is shown below (in thousands except per share data):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Net income per consolidated statements of income |  | $ | 4,336 |  |  | $ | 3,891 |  |  | $ | 8,683 |  |  | $ | 7,168 |
Net earnings allocated to participating securities |  |  | (17 | ) |  |  | (12 | ) |  |  | (33 | ) |  |  | (23 | )
Net earnings allocated to common stock |  | $ | 4,319 |  |  | $ | 3,879 |  |  | $ | 8,650 |  |  | $ | 7,145 |
Basic earnings per common share computation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distributed earnings allocated to common stock |  | $ | 2,044 |  |  | $ | 2,021 |  |  | $ | 4,084 |  |  | $ | 4,038 |
Undistributed earnings allocated to common stock |  |  | 2,275 |  |  |  | 1,858 |  |  |  | 4,565 |  |  |  | 3,107 |
Net earnings allocated to common stock |  | $ | 4,319 |  |  | $ | 3,879 |  |  | $ | 8,649 |  |  | $ | 7,145 |
Weighted average common shares outstanding, including shares considered participating securities |  |  | 12,440 |  |  |  | 12,291 |  |  |  | 12,421 |  |  |  | 12,277 |
Less: Average participating securities |  |  | (46 | ) |  |  | (36 | ) |  |  | (43 | ) |  |  | (37 | )
Weighted average shares |  |  | 12,394 |  |  |  | 12,255 |  |  |  | 12,378 |  |  |  | 12,240 |
Basic earnings per common share |  | $ | 0.35 |  |  | $ | 0.32 |  |  | $ | 0.70 |  |  | $ | 0.58 |
Diluted earnings per common share computation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings allocated to common stock |  | $ | 4,319 |  |  | $ | 3,879 |  |  | $ | 8,650 |  |  | $ | 7,145 |
Weighted average common shares outstanding for basic earnings per common share |  |  | 12,394 |  |  |  | 12,255 |  |  |  | 12,378 |  |  |  | 12,240 |
Add: Dilutive effects of assumed exercises of stock options |  |  | 3 |  |  |  | 6 |  |  |  | 3 |  |  |  | 7 |
Weighted average shares and dilutive potential common shares |  |  | 12,397 |  |  |  | 12,261 |  |  |  | 12,381 |  |  |  | 12,247 |
Diluted earnings per common share |  | $ | 0.35 |  |  | $ | 0.32 |  |  | $ | 0.70 |  |  | $ | 0.58 |

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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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