Earnings Per Share (Computation of Basic and Diluted Earnings per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Calculation of Earnings Per Share [Abstract]
Net income	$ 5,602	$ 5,835
Weighted-average common shares outstanding	5,074	5,102
Basic earnings per share	$ 1.10	$ 1.14
Common stock equivalents due to effect of stock options	6	19
Total weighted-average common shares and equivalents	5,080	5,121
Diluted earnings per share	$ 1.10	$ 1.14
Anti-dilutive stock options outstanding	1	0