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Net Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Net Earnings Available to Common Shareholders [Abstract] |  |  |  |
Basic earnings per common share | $ 1,161 | $ 281 | $ 2,471 | $ 1,293
Effect of dilutive securities, Stock options | 0 | 0 | 0 | 0
Diluted earnings per common share | $ 1,161 | $ 281 | $ 2,471 | $ 1,293
Common Shares [Abstract] |  |  |  |
Basic earnings per common share (in shares) | 5,544,160 | 5,542,703 | 5,544,160 | 5,542,126
Effect of dilutive securities, Stock options (in shares) | 3,928 | 1,739 | 1,964 | 1,646
Diluted earnings per common share (in shares) | 5,548,088 | 5,544,442 | 5,546,124 | 5,543,772
Per Share Amount [Abstract] |  |  |  |
Basic earnings per common share (in dollars per share) | $ 0.21 | $ 0.05 | $ 0.45 | $ 0.23
Diluted earnings per common share (in dollars per share) | $ 0.21 | $ 0.05 | $ 0.45 | $ 0.23

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