Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets, Net - Summary of Intangible Assets, Net (Detail)

v3.19.1
Goodwill and Intangible Assets, Net - Summary of Intangible Assets, Net (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 4 years 7 months 6 days  
Gross Carrying Amount $ 23,876 $ 23,876
Accumulated Amortization (4,208) (3,396)
Net Carrying Amount $ 19,668 20,480
Acquired Software and Technology [Member]    
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 3 years  
Gross Carrying Amount $ 3,576 3,576
Accumulated Amortization (1,772) (1,613)
Net Carrying Amount $ 1,804 1,963
Licensed Technology [Member]    
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 3 years  
Gross Carrying Amount $ 500 500
Accumulated Amortization (83) (42)
Net Carrying Amount $ 417 458
Developed Technology [Member]    
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 5 years  
Gross Carrying Amount $ 9,600 9,600
Accumulated Amortization (1,120) (792)
Net Carrying Amount $ 8,480 8,808
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 5 years  
Gross Carrying Amount $ 9,300 9,300
Accumulated Amortization (1,085) (733)
Net Carrying Amount $ 8,215 8,567
Trademarks and Trade Names [Member]    
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 2 years 3 months 18 days  
Gross Carrying Amount $ 100 100
Accumulated Amortization (26) (15)
Net Carrying Amount $ 74 85
Noncompete Agreements [Member]    
Finite Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 3 years 9 months 18 days  
Gross Carrying Amount $ 800 800
Accumulated Amortization (122) (201)
Net Carrying Amount $ 678 $ 599