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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Weighted Average Number Of Shares Used In Computing Earnings Per Share | The following table shows the weighted average number of shares used in computing earnings per share for the three and nine months ended September 30, 2013 and 2012 and the effect on the weighted average number of shares of dilutive potential common stock. Potential dilutive common stock had no effect on income available to common shareholders.
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Average number of common shares outstanding | 3,393,519 |  |  | 3,341,050 |  |  | 3,380,149 |  |  | 3,328,065 |
Effect of dilutive common stock | 12,685 |  |  | 11,287 |  |  | 11,158 |  |  | 9,643 |
Average number of common shares outstanding used to calculate diluted earnings per share | 3,406,204 |  |  | 3,352,337 |  |  | 3,391,307 |  |  | 3,337,708 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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