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Income Taxes Narrative (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
state
Dec. 31, 2011
Dec. 31, 2010
Income Tax Disclosure [Abstract]      
Income tax (benefit) expense for discontinued operations $ (402) $ 4,792 $ 2,680
Federal statutory income tax rate 35.00%    
Number of states subject to examination in years prior to 2009 3