Earnings Per Share (Schedule of 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
Basic Earnings Per Share
Net income	$ 3,482	$ 3,225	$ 10,004	$ 8,923
Weighted-Average Shares number of common shares, basic	7,324,233	7,394,061	7,414,328	7,364,035
Earnings per share, basic	$ 0.48	$ 0.44	$ 1.35	$ 1.21
Diluted Earnings Per Share
Income available to common stockholders and assumed conversions	$ 3,482	$ 3,225	$ 10,004	$ 8,923
Weighted-Average Shares, effect of dilutive securities stock option	146,344	168,438	146,255	175,900
Weighted-Average Shares income available to common stockholders and assumed conversions, diluted	7,470,577	7,562,499	7,560,583	7,539,935
Earnings per share, diluted	$ 0.47	$ 0.43	$ 1.32	$ 1.18