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Goodwill and Identifiable Intangible Assets - Estimated Future Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]  
2014 $ 2,877
2015 2,809
2016 2,619
2017 2,482
2018 1,741
Thereafter 9,059
Total $ 21,587