Basic And Diluted Earnings Per Share (Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Basic And Diluted Earnings Per Share [Abstract]
Net income	$ 4,107	$ 3,317	$ 8,151	$ 5,774
Weighted average shares outstanding	7,513,279	7,471,988	7,522,710	7,457,932
Dilutive effect of potential common shares, stock options	37,363	48,036	37,363	48,036
Diluted weighted average common shares outstanding	7,550,642	7,520,024	7,560,073	7,505,968
Basic earnings per share	$ 0.55	$ 0.44	$ 1.08	$ 0.77
Diluted earnings per share	$ 0.54	$ 0.44	$ 1.08	$ 0.77