Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Income available to common stockholders, Income	$ 3,020	$ 2,411	$ 7,682	$ 7,138
Income available to common stockholders after assumed conversions, Income	$ 3,020	$ 2,411	$ 7,682	$ 7,138
Income available to common stockholders, Shares	4,307,402	4,262,165	4,298,987	4,255,520
Effect of potential dilutive common stock equivalents– stock options and restricted shares, Shares	11,000	34,000	15,000	32,000
Income available to common stockholders after assumed conversions, Shares	4,317,553	4,296,371	4,313,638	4,287,745
Income available to common stockholders, Amount	$ 0.70	$ 0.57	$ 1.79	$ 1.68
Effect of potential dilutive common stock equivalents– stock options and restricted shares, Amount		(0.01)	(0.01)	(0.02)
Income available to common stockholders after assumed conversions, Amount	$ 0.70	$ 0.56	$ 1.78	$ 1.66