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Goodwill and Other Intangible Assets Future amortizaion of intangibles (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]    
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year $ 2,129  
2013 4,228  
2014 4,204  
2015 3,854  
2016 3,818  
Finite-Lived Intangible Assets, Amortization Expense, Year Five 3,712  
Thereafter 61,523  
Finite-Lived Intangible Assets, Net $ 83,468 $ 85,550