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Earnings Per Share (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Income (Numerator) [Abstract]    
Net income as reported $ 2,856,000 $ 2,913,000
Less dividends and amortization of premium on preferred stock 181,000 181,000
Basic EPS: Income available to common shareholders 2,675,000 2,732,000
Diluted EPS: Income available to common shareholders plus assumed conversions $ 2,675,000 $ 2,732,000
Shares (Denominator) [Abstract]    
Basic EPS: Income available to common shareholders (in shares) 9,869,177 9,817,029
Effect of dilutive securities: warrants and restricted stock (in shares) 48,550 11,196
Diluted EPS: Income available to common shareholders plus assumed conversions (in shares) 9,917,727 9,828,225
Per-Share Amount [Abstract]    
Basic EPS: Income available to common shareholders (in dollars per share) $ 0.27 $ 0.28
Diluted EPS: Income available to common shareholders plus assumed conversions (in dollars per share) $ 0.27 $ 0.28