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Earnings Per Share - Schedule of Basic and Diluted Earnings per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Income (Numerator) [Abstract]        
Net income as reported $ 4,883 $ 4,624 $ 9,520 $ 9,127
Basic EPS: Income available to common shareholders 4,883 4,624 9,520 9,127
Diluted EPS: Income available to common shareholders plus assumed conversions $ 4,883 $ 4,624 $ 9,520 $ 9,127
Shares (Denominator) [Abstract]        
Basic EPS: Income available to common shareholders (in shares) 10,746,363 10,712,418 10,740,355 10,710,483
Effect of dilutive securities: restricted stock (in shares) 71,086 106,289 72,348 101,306
Diluted EPS: Income available to common shareholders plus assumed conversions (in shares) 10,817,449 10,818,707 10,812,703 10,811,789
Per-Share Amount [Abstract]        
Basic EPS: Income available to common shareholders (in dollars per share) $ 0.45 $ 0.43 $ 0.89 $ 0.85
Diluted EPS: Income available to common shareholders plus assumed conversions (in dollars per share) $ 0.45 $ 0.43 $ 0.88 $ 0.84