Goodwill and Intangible Assets - Future Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]    
2014 $ 4,333  
2015 3,706  
2016 3,257  
2017 2,787  
2018 2,612  
Thereafter 191  
Net Carrying Amount $ 16,886 $ 6,368