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Earnings Per Share - Basic (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
Basic Earnings Per share        
Net income available to common shareholders $ 2,517 $ 2,351 $ 8,061 $ 7,660
Weighted average shares outstanding (in shares) 10,938,160 10,919,630 10,928,780 10,917,892
Basic earnings per share (in dollars per share) $ 0.23 $ 0.22 $ 0.74 $ 0.70