Earnings Per Share (Calculation of Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income from continuing operations	$ 4,228		$ 4,192		$ 8,056	$ 7,654
Net (loss) income from discontinued operations	(4)		199		(78)	795
Net Income	$ 4,224	$ 3,754	$ 4,391	$ 4,058	$ 7,978	$ 8,449
Weighted average shares outstanding - Basic (in shares)	12,779,000		12,744,000		12,774,000	12,730,000
Dilutive effect of common stock equivalents-options	5,000		13,000		5,000	13,000
Weighted average shares outstanding - Diluted (in shares)	12,784,000		12,757,000		12,779,000	12,743,000
Income from continuing operations	$ 0.33		$ 0.33		$ 0.63	$ 0.60
(Loss) income from discontinued operations			0.01		(0.01)	0.06
Income (loss) per common share - basic	0.33		0.34		0.62	0.66
Income from continuing operations	0.33		0.33		0.63	0.60
(Loss) income from discontinued operations			0.01		(0.01)	0.06
Income (loss) per common share - diluted	$ 0.33		$ 0.34		$ 0.62	$ 0.66
Weighted average common stock excluded from calculation of diluted EPS	0		0		0	0