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Intangible Assets - Expected Amortization of Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Intangible Assets, Net (Excluding Goodwill) [Abstract]      
December 31, 2016 $ 8,833    
December 31, 2017 8,791    
December 31, 2018 7,203    
December 31, 2019 6,080    
December 31, 2020 5,544    
Thereafter 500    
Intangible assets, subject to amortization 36,951    
Trademarks 1,019    
Total intangible assets $ 37,970 $ 12,819 $ 16,733