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Basic and Diluted Earnings Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Earnings Per Share Abstract        
Net earnings $ 1,609 $ 1,367 $ 5,103 $ 4,373
Basic and diluted weighted average shares outstanding 3,642,876 3,642,738 3,642,807 3,642,735
Basic and diluted earnings per share $ 0.44 $ 0.38 $ 1.40 $ 1.20