Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Schedule of Future Amortization Related to Intangible Assets (Detail)

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Intangible Assets - Schedule of Future Amortization Related to Intangible Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2015 (remainder of) $ 488  
2016 1,896  
2017 1,796  
2018 1,662  
2019 1,380  
Thereafter 8,611  
Total $ 15,833 $ 11,167