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Goodwill and Intangibles - Schedule of Estimated Aggregate Annual Amortization (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2014 $ 668
2015 2,627
2016 2,276
2017 1,687
2018 1,477
Thereafter $ 4,162