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Nature of Banking Activities and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2012
Nature of Banking Activities and Significant Accounting Policiesl [Abstract] |
Weighted Average Number Of Shares Used In Computing Earnings Per Share |
| 2012 | 2011 | 2010
Average number of common shares outstanding | 3,333,235 | 3,292,290 | 3,243,292
Effect of dilutive common stock | 10,037 | 7,708 | 7,576
Average number of common shares outstanding |  |  |
used to calculate diluted earnings per share | 3,343,272 | 3,299,998 | 3,250,868
Components Of Change In Unrealized Gains (Losses) On Securities |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Gross unrealized gain | $ | 894 |  | $ | 2,669 |  | $ | 274 |
Reclassification adjustment for realized (gain) loss |  | (45 | ) |  | (67 | ) |  | (98 | )
Net unrealized gain (loss) before taxes |  | 849 |  |  | 2,602 |  |  | 176 |
Tax effect |  | (289 | ) |  | (885 | ) |  | (60 | )
| $ | 560 |  | $ | 1,717 |  | $ | 116 |
Components Of Accumulated Other Comprehensive Income, Net Of Deferred Taxes |
|  |  |  | Change in |  |  |  |  |  |  |  |  |
| Unrealized |  | Market |  |  | Defined |  |  | Post |  |  |
| Gain |  | Value |  |  | Benefit |  |  | Retirement |  |  |
| (Loss) on |  | of Interest |  |  | Pension |  |  | Benefit |  |  |
| Securities |  | Rate Swap |  |  | Plan |  |  | Plan |  |  | Total
Balance, December 31, 2010 | $ | 1,545 | $ | (111 | ) | $ | (287 | ) | $ | 63 |  | $ | 1,210
2011 Change |  | 1,717 |  | (271 | ) |  | 287 |  |  | (12 | ) |  | 1,721
Balance, December 31, 2011 |  | 3,262 |  | (382 | ) |  | - |  |  | 51 |  |  | 2,931
2012 Change |  | 560 |  | (36 | ) |  | - |  |  | (7 | ) |  | 517
Balance, December 31, 2012 | $ | 3,822 | $ | (418 | ) | $ | - |  | $ | 44 |  | $ | 3,448

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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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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