Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Income available to common stockholders, Income	$ 2,049	$ 2,286	$ 4,662	$ 4,727
Income available to common stockholders after assumed conversions, Income	$ 2,049	$ 2,286	$ 4,662	$ 4,727
Income available to common stockholders, Shares	4,298,409	4,257,633	4,294,758	4,252,207
Effect of potential dilutive common stock equivalents– stock options and restricted shares, Shares	16,000	34,000	17,000	31,000
Income available to common stockholders after assumed conversions, Shares	4,314,418	4,292,411	4,311,696	4,283,424
Income available to common stockholders, Amount	$ 0.48	$ 0.54	$ 1.09	$ 1.11
Effect of potential dilutive common stock equivalents– stock options and restricted shares, Amount	(0.01)	(0.01)	(0.01)	(0.01)
Income available to common stockholders after assumed conversions, Amount	$ 0.47	$ 0.53	$ 1.08	$ 1.10