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Earnings Per Share (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Income (Numerator) [Abstract]        
Net income as reported $ 3,365,000 $ 3,223,000 $ 9,463,000 $ 9,459,000
Less dividends and amortization of premium on preferred stock 40,000 181,000 385,000 543,000
Basic EPS: Income available to common shareholders 3,325,000 3,042,000 9,078,000 8,916,000
Net Income (Loss) Available to Common Stockholders, Diluted $ 3,325,000 $ 3,042,000 $ 9,078,000 $ 8,916,000
Shares (Denominator) [Abstract]        
Basic EPS: Income available to common shareholders (in shares) 10,616,340 9,824,568 10,417,675 9,825,719
Effect of dilutive securities: warrants and restricted stock (in shares) 54,848 22,814 50,261 16,894
Diluted EPS: Income available to common shareholders plus assumed conversions (in shares) 10,671,188 9,847,382 10,467,936 9,842,613
Per-Share Amount [Abstract]        
Basic EPS: Income available to common shareholders (in dollars per share) $ 0.31 $ 0.31 $ 0.87 $ 0.91
Diluted EPS: Income available to common shareholders plus assumed conversions (in dollars per share) $ 0.31 $ 0.31 $ 0.87 $ 0.91