Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Other intangible assets:
Total intangible assets	$ 856,892	$ 856,892
Accumulated Amortization	(109,915)	(99,010)
Net, finite-lived intangible assets	710,139
Total intangible assets, net	$ 746,977	757,882
Weighted average
Other intangible assets:
Useful life	17 years 1 month 13 days
Trade name
Other intangible assets:
Gross carrying amount, indefinite-lived	$ 29,816	29,816
Service provider network
Other intangible assets:
Gross carrying amount, indefinite-lived	2,000	2,000
Software not yet placed in service
Other intangible assets:
Gross carrying amount, indefinite-lived	5,022	5,022
Developed technology
Other intangible assets:
Gross carrying amount, finite-lived	759,374	759,374
Accumulated Amortization	(105,089)	(94,886)
Net, finite-lived intangible assets	$ 654,285	664,488
Developed technology | Weighted average
Other intangible assets:
Useful life	17 years
In-process research and development
Other intangible assets:
Gross carrying amount, finite-lived	$ 39,000	39,000
Accumulated Amortization	(3,431)	(2,889)
Net, finite-lived intangible assets	$ 35,569	36,111
In-process research and development | Weighted average
Other intangible assets:
Useful life	16 years 6 months
Customer relationships
Other intangible assets:
Gross carrying amount, finite-lived	$ 20,306	20,306
Accumulated Amortization	(889)	(806)
Net, finite-lived intangible assets	$ 19,417	19,500
Customer relationships | Weighted average
Other intangible assets:
Useful life	21 years 3 months 18 days
Software
Other intangible assets:
Gross carrying amount, finite-lived	$ 1,274	1,274
Accumulated Amortization	(477)	(404)
Net, finite-lived intangible assets	$ 797	870
Software | Weighted average
Other intangible assets:
Useful life	2 years 7 months 6 days
Other
Other intangible assets:
Gross carrying amount, finite-lived	$ 100	100
Accumulated Amortization	(29)	(25)
Net, finite-lived intangible assets	$ 71	$ 75
Other | Weighted average
Other intangible assets:
Useful life	4 years 3 months 18 days