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Business Combinations (Details 2) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Business Combinations [Abstract]        
Net interest income $ 18,841 $ 17,525 $ 55,408 $ 51,824
Net income $ 6,016 $ 5,442 $ 17,641 $ 15,412
Basic and diluted earnings per share $ 0.22 $ 0.20 $ 0.64 $ 0.56