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Income Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Current:      
Federal $ (622) $ (893) $ 38,682
State (502) (2,372) 1,772
Foreign (41) (95) (835)
Deferred:      
Federal (284) 163 (15,816)
State (2) 40 (616)
Foreign (697) (148) 9
Income Tax Provision Benefit $ (2,148) $ (3,305) $ 23,196