Segment Information - Company's Revenue by Geographic Region, Based on Customer's Location (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 234,298	$ 164,010	$ 137,759
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	149,766	94,266	83,736
EMEA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	57,180	43,111	33,183
APAC [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 27,352	$ 26,633	$ 20,840