Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Amortization Expense for Intangible Assets for Each of Next Five Years (Detail)

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Intangible Assets - Summary of Amortization Expense for Intangible Assets for Each of Next Five Years (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]  
2014 $ 10,129
2015 8,249
2016 8,073
2017 8,064
2018 $ 7,974