Segment Information - Company's Revenue by Geographic Region, Based on Customer's Location (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 59,773	$ 44,757
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	34,802	26,557
EMEA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	14,749	12,202
APAC [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 10,222	$ 5,998