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Goodwill and Intangible Assets Estimated Future Amortization Expense Related to Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]    
2014 $ 6,663  
2015 6,608  
2016 6,587  
2017 6,587  
2018 6,524  
Thereafter 7,809  
Net Balance $ 40,778 $ 47,753