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Goodwill and Amortizable Intangible Assets - Estimated Amortization of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
For the remaining nine months ending December 31, 2014 $ 3,649  
2015 3,588  
2016 3,013  
2017 2,880  
2018 2,880  
Thereafter 8,141  
Total amortizable intangible assets $ 24,151 $ 25,368