Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current tax benefit (provision):
Federal		$ 720	$ 4,605
State	186	359	(49)
Current tax benefit (provision)	186	1,079	4,556
Deferred tax benefit (provision):
Federal			(7,984)
State			(913)
Deferred tax benefit (provision)			(8,897)
Benefit (provision) applicable to income (loss) from continuing operations	$ 186	$ 1,079	$ (4,341)