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Goodwill and Intangible Assets - Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]  
2014 $ 1,800
2015 1,784
2016 1,601
2017 1,570
2018 1,561
Thereafter $ 4,774