Discontinued Operations (Summary Of The Financial Information For The Discontinued Operations) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Discontinued Operations and Disposal Groups [Abstract]
Revenue from discontinued operations	$ 200,000	$ 600,000	$ 2,200,000	$ 1,900,000
Income from discontinued operations	$ 13,000	$ 270,000	$ 943,000	$ 807,000