Income Taxes Provision for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current:
U.S. federal	$ (26,893)	$ 973	$ (50,586)
State	(624)	(12)	(1,493)
Foreign	(342)	(1,242)	(517)
Total Current	(27,859)	(281)	(52,596)
Deferred:
U.S. federal	(2,079)	(14,554)	4,829
State	(1,066)	(1,283)	567
Foreign	(32)	69	839
Total Deferred	(3,177)	(15,768)	6,235
Changes in valuation allowance	679	832	25
Total	$ (30,357)	$ (15,217)	$ (46,336)

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