Discontinued Operations (Summary Of The Financial Information For The Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Discontinued Operations and Disposal Groups [Abstract]
Revenue from discontinued operations	$ 0	$ 385	$ 559	$ 602	$ 579	$ 572	$ 520	$ 556	$ 1,500	$ 2,200	$ 4,200
Income from discontinued operations									$ 942	$ 1,400	$ 2,192