Earnings Per Common Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income	$ 4,388	$ 4,403	$ 3,430	$ 4,960	$ 2,570	$ 1,755	$ 12,221	$ 9,285
Basic Earnings Per Share: Average Shares	6,617			6,988			6,741	7,008
Diluted Earnings Per Share: Average Shares	6,624			6,993			6,746	7,019
Basic Earnings Per Share Amount	$ 0.66			$ 0.70			$ 1.81	$ 1.32
Diluted Earnings Per Share Anount	$ 0.66			$ 0.70			$ 1.81	$ 1.32