Earnings Per Share (Calculation of Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income from continuing operations	$ 5,335		$ 4,228		$ 8,453	$ 8,056
Net loss from discontinued operations			(4)			(78)
Net Income	$ 5,335	$ 3,118	$ 4,224	$ 3,754	$ 8,453	$ 7,978
Weighted average shares outstanding - Basic (in shares)	12,524		12,779		12,519	12,774
Dilutive effect of common stock equivalents-options	1		5		2	5
Weighted average shares outstanding - Diluted (in shares)	12,525		12,784		12,521	12,779
Income from continuing operations	$ 0.43		$ 0.33		$ 0.68	$ 0.63
Loss from discontinued operations						(0.01)
Net income	0.43		0.33		0.68	0.62
Income from continuing operations	0.43		0.33		0.68	0.63
Loss from discontinued operations						(0.01)
Net income	$ 0.43		$ 0.33		$ 0.68	$ 0.62
Weighted average common stock excluded from calculation of diluted EPS	0		0		0	0