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Goodwill and Intangible Assets - Estimated Amortization of Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]    
2014, remaining three months $ 734  
2015 2,793  
2016 2,615  
2017 2,288  
2018 2,050  
2019 and beyond 1,165  
Net $ 11,645 $ 1,813