Earnings Per Common Share (Calculations of Basic and Diluted Earnings per Common 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
Earnings Per Share [Abstract]
Distributed earnings allocated to shareholders	$ 2,879	$ 2,727	$ 8,471	$ 7,696
Undistributed earnings allocated to shareholders	4,881	1,375	15,189	574
Net earnings allocated to shareholders	$ 7,760	$ 4,102	$ 23,660	$ 8,270
Weighted-average number of common shares outstanding - basic	17,993,443	18,127,131	18,015,249	17,357,034
Effect of potentially dilutive shares	117,267	144,848	108,411	130,608
Total weighted-average diluted shares outstanding	18,110,710	18,271,979	18,123,660	17,487,642
Earnings per common share - basic	$ 0.43	$ 0.23	$ 1.31	$ 0.48
Earnings per common share - diluted	$ 0.43	$ 0.22	$ 1.31	$ 0.47
Anti-dilutive shares excluded from computation of EPS	18,604	42,832	24,461	47,831