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Nature of Banking Activities and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [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 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.
| 2014 |  | 2013 |  | 2012
Average number of common shares outstanding | 3,438,348 |  |  | 3,386,467 |  |  | 3,333,235 |
Effect of dilutive common stock | 8,470 |  |  | 11,275 |  |  | 10,037 |
Average number of common shares outstanding used to calculate diluted earnings per share | 3,446,818 |  |  | 3,397,742 |  |  | 3,343,272 |
Components Of Change In Unrealized Gains (Losses) On Securities | The components of the change in unrealized gains (losses) on securities during 2014, 2013, and 2012 were as follows:
|  | 2014 |  | 2013 |  | 2012
Gross unrealized gain (loss) |  | $ | 2,382 |  |  | $ | (4,497 | ) |  | $ | 894 |
Reclassification adjustment for realized (gain) |  | (990 | ) |  | (465 | ) |  | (45 | )
Net unrealized gain (loss) before taxes |  | 1,392 |  |  | (4,962 | ) |  | 849 |
Tax effect |  | (473 | ) |  | 1,687 |  |  | (289 | )
|  | $ | 919 |  |  | $ | (3,275 | ) |  | $ | 560 |
Components Of Accumulated Other Comprehensive Income, Net Of Deferred Taxes | The components of accumulated other comprehensive income, net of deferred taxes, were as follows:
|  | Unrealized Gain (Loss) on Securities |  | Change in Fair Value of Interest Rate Swap |  | Post Retirement Benefit Plan |  | Total
December 31, 2012 |  | $ | 3,822 |  |  | $ | (418 | ) |  | $ | 44 |  |  | $ | 3,448 |
2013 Change |  | (3,275 | ) |  | 132 |  |  | — |  |  | (3,143 | )
December 31, 2013 |  | 547 |  |  | (286 | ) |  | 44 |  |  | 305 |
2014 Change |  | 919 |  |  | 96 |  |  | (5 | ) |  | 1,010 |
December 31, 2014 |  | $ | 1,466 |  |  | $ | (190 | ) |  | $ | 39 |  |  | $ | 1,315 |
Changes to accumulated other comprehensive income by components are shown in the following tables for the years ended December 31, 2014, 2013, and 2012:
| Twelve Months Ended
| December 31,
| 2014 | 2013 | 2012
| Unrealized Gains and Losses on Available for Sale Securities | Change in Fair Value of Interest Rate Swap | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan | Total | Unrealized Gains and Losses on Available for Sale Securities | Change in Fair Value of Interest Rate Swap | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan | Total | Unrealized Gains and Losses on Available for Sale Securities | Change in Fair Value of Interest Rate Swap | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan | Total
| (dollars in thousands)
January 1 | $ | 547 |  | $ | (286 | ) | $ | 44 |  | $ | 305 |  | $ | 3,822 |  | $ | (418 | ) | $ | 44 |  | $ | 3,448 |  | $ | 3,262 |  | $ | (382 | ) | $ | 51 |  | $ | 2,931 |
Other comprehensive income (loss) before reclassifications | 2,382 |  | 145 |  | (8 | ) | 2,519 |  | (4,497 | ) | 201 |  | — |  | (4,296 | ) | 894 |  | (55 | ) | (11 | ) | 828 |
Reclassifications from other comprehensive income (loss) | (990 | ) | — |  | — |  | (990 | ) | (465 | ) | — |  | — |  | (465 | ) | (45 | ) | — |  | — |  | (45 | )
Tax effect of current period changes | (473 | ) | (49 | ) | 3 |  | (519 | ) | 1,687 |  | (69 | ) | — |  | 1,618 |  | (289 | ) | 19 |  | 4 |  | (266 | )
Current period changes net of taxes | 919 |  | 96 |  | (5 | ) | 1,010 |  | (3,275 | ) | 132 |  | — |  | (3,143 | ) | 560 |  | (36 | ) | (7 | ) | 517 |
December 31 | $ | 1,466 |  | $ | (190 | ) | $ | 39 |  | $ | 1,315 |  | $ | 547 |  | $ | (286 | ) | $ | 44 |  | $ | 305 |  | $ | 3,822 |  | $ | (418 | ) | $ | 44 |  | $ | 3,448 |

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