Income Taxes (Schedule Of Income Tax Benefit From Continuing 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
Income Taxes [Abstract]
Current tax expense (benefit), Federal									$ 0	$ 0	$ 0
Current tax expense (benefit), State									0	0	0
Current tax expense (benefit), Total									0	0	0
Deferred tax expense (benefit), Federal									0	5,763	(135)
Deferred tax expense (benefit), State									0	674	(25)
Deferred tax expense (benefit), Total									0	6,437	(160)
Total income tax expense (benefit), Federal									0	5,763	(135)
Total income tax expense (benefit), State									0	674	(25)
Total income tax expense (benefit)	$ 0	$ 0	$ 0	$ 0	$ 6,088	$ 282	$ 381	$ (314)	$ 0	$ 6,437	$ (160)