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Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Income (Numerator) [Abstract]        
Net income as reported $ 4,188 $ 4,108 $ 12,437 $ 11,283
Basic EPS: Income available to common shareholders (shares) 4,188 4,108 12,437 11,283
Net Income (Loss) Available to Common Stockholders, Diluted $ 4,188 $ 4,108 $ 12,437 $ 11,283
Shares (Denominator) [Abstract]        
Basic EPS: Income available to common shareholders (in shares) 10,677,922 10,642,382 10,671,573 10,634,945
Effect of dilutive securities: restricted stock (in shares) 95,278 74,439 80,706 68,803
Diluted EPS: Income available to common shareholders plus assumed conversions (in shares) 10,773,200 10,716,821 10,752,279 10,703,748
Per-Share Amount [Abstract]        
Basic EPS: Income available to common shareholders (in dollars per share) $ 0.39 $ 0.39 $ 1.17 $ 1.06
Diluted EPS: Income available to common shareholders plus assumed conversions (in dollars per share) $ 0.39 $ 0.38 $ 1.16 $ 1.05