Income Taxes (Benefit (Provision) for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Current Federal	$ 3,213	$ 4,038	$ 5,803
Current Foreign	(3,377)	(2,187)	(1,904)
Current State	(3,557)	(1,201)	(1,909)
Total current	(3,721)	650	1,990
Deferred Federal	1,054	30,770	56,152
Deferred Foreign	(694)	(298)	0
Deferred State	(4,986)	(4,276)	18,258
Total deferred	(4,626)	26,196	74,410
Total benefit (provision) for income taxes	$ (8,347)	$ 26,846	$ 76,400