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Goodwill and Intangible Assets - Schedule of Identifiable Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Gross Carrying Amount $ 15,110 $ 15,110
Intangible assets, Accumulated Amortization (4,308) (3,725)
Intangible assets, Net Book Value $ 10,802 11,385
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Weighted- Average Life 6 years 3 months 18 days  
Intangible assets, Gross Carrying Amount $ 719 719
Intangible assets, Accumulated Amortization (457) (389)
Intangible assets, Net Book Value $ 262 330
Developed Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Weighted- Average Life 5 years 10 months 24 days  
Intangible assets, Gross Carrying Amount $ 12,851 12,851
Intangible assets, Accumulated Amortization (3,401) (2,955)
Intangible assets, Net Book Value $ 9,450 9,896
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Weighted- Average Life 6 years 8 months 12 days  
Intangible assets, Gross Carrying Amount $ 1,000 1,000
Intangible assets, Accumulated Amortization (82) (43)
Intangible assets, Net Book Value $ 918 957
Non-compete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Weighted- Average Life 4 years 9 months 18 days  
Intangible assets, Gross Carrying Amount $ 540 540
Intangible assets, Accumulated Amortization (368) (338)
Intangible assets, Net Book Value $ 172 $ 202