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Goodwill and Other Intangible Assets - Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2014 $ 1,846  
2015 1,732  
2016 989  
2017 365  
2018 261  
Thereafter 463  
Future Amortization Expense, Total $ 5,656 $ 6,345