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Goodwill and Amortizable Intangible Assets - Estimated Amortization of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
For the remaining six months ending December 31, 2014 $ 2,998  
2015 4,718  
2016 4,142  
2017 2,878  
2018 2,500  
Thereafter 5,417  
Total amortizable intangible assets $ 22,653 $ 25,368