Goodwill and Intangible Assets - Summary of Future Amortization Expense for Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite Lived Intangible Assets [Line Items]
2016	$ 32,386
2017	31,150
2018	29,778
2019	26,870
2020	25,950
Thereafter	49,110
Intangible Assets, Net	195,244	$ 223,637	$ 129,290
Cost of Revenue [Member]
Finite Lived Intangible Assets [Line Items]
2016	20,697
2017	20,541
2018	20,541
2019	20,541
2020	19,821
Thereafter	44,532
Intangible Assets, Net	146,673
Operating Expense [Member]
Finite Lived Intangible Assets [Line Items]
2016	11,689
2017	10,609
2018	9,237
2019	6,329
2020	6,129
Thereafter	4,578
Intangible Assets, Net	$ 48,571