Earnings Per Share (Calculation of Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net Income	$ 4,031	$ 3,998	$ 5,335	$ 3,118	$ 8,029	$ 8,453
Weighted average shares outstanding - Basic (in shares)	11,752		12,524		11,749	12,519
Dilutive effect of common stock equivalents-options	2		1		1	2
Weighted average shares outstanding - Diluted (in shares)	11,754		12,525		11,750	12,521
Earnings per common share - Basic and diluted	$ 0.34		$ 0.43		$ 0.68	$ 0.68
Weighted average common stock excluded from calculation of diluted EPS	0		0		0	0