Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Goodwill
Balance as of December 31, 2015		$ 56,006
Measurement-period adjustments		6,367
Balance as of June 30, 2016	$ 62,373	62,373
Other intangible assets:
Total intangible assets	841,560	841,560	$ 841,560
Accumulated Amortization	(36,309)	(36,309)	(16,504)
Net, finite-lived intangible assets	728,751	728,751
Total intangible assets, net	$ 805,251	805,251	825,056
Weighted average
Other intangible assets:
Useful life	18 years 9 months 18 days
In-process research and development
Other intangible assets:
Gross carrying amount, indefinite-lived	$ 39,000	39,000	39,000
Trade name
Other intangible assets:
Gross carrying amount, indefinite-lived	35,500	35,500	35,500
Service provider network
Other intangible assets:
Gross carrying amount, indefinite-lived	2,000	2,000	2,000
Developed technology
Other intangible assets:
Gross carrying amount, finite-lived	757,000	757,000	757,000
Accumulated Amortization	(35,991)	(35,991)	(16,360)
Net, finite-lived intangible assets	$ 721,009	721,009	740,640
Developed technology | Weighted average
Other intangible assets:
Useful life	18 years 8 months 12 days
Customer relationships
Other intangible assets:
Gross carrying amount, finite-lived	$ 8,000	8,000	8,000
Accumulated Amortization	(306)	(306)	(139)
Net, finite-lived intangible assets	$ 7,694	7,694	7,861
Customer relationships | Weighted average
Other intangible assets:
Useful life	23 years 1 month 6 days
Software
Other intangible assets:
Gross carrying amount, finite-lived	$ 60	60	60
Accumulated Amortization	(12)	(12)	(5)
Net, finite-lived intangible assets	$ 48	$ 48	$ 55
Software | Weighted average
Other intangible assets:
Useful life	4 years 1 month 6 days