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Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income (Numerator) [Abstract]        
Net income as reported $ 4,562 $ 4,188 $ 13,689 $ 12,437
Basic EPS: Income available to common shareholders 4,562 4,188 13,689 12,437
Diluted EPS: Income available to common shareholders plus assumed conversions $ 4,562 $ 4,188 $ 13,689 $ 12,437
Shares (Denominator) [Abstract]        
Basic EPS: Income available to common shareholders (in shares) 10,718,873 10,677,922 10,709,901 10,671,573
Effect of dilutive securities: restricted stock and warrants (in shares) 125,495 95,278 110,492 80,706
Diluted EPS: Income available to common shareholders plus assumed conversions (in shares) 10,844,368 10,773,200 10,820,393 10,752,279
Per-Share Amount [Abstract]        
Basic EPS: Income available to common shareholders (in dollars per share) $ 0.43 $ 0.39 $ 1.28 $ 1.17
Diluted EPS: Income available to common shareholders plus assumed conversions (in dollars per share) $ 0.42 $ 0.39 $ 1.27 $ 1.16