Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Other intangible assets:
Total intangible assets	$ 855,991	$ 858,174
Accumulated Amortization	(178,061)	(143,607)
Impairment	(992)	(2,600)
Net, finite-lived intangible assets	647,722
Total intangible assets, net	$ 676,938	711,967
Weighted average
Other intangible assets:
Useful life	15 years 4 months 24 days
Trade name
Other intangible assets:
Gross carrying amount, indefinite-lived	$ 27,216	28,507
Impairment		(2,600)
Net, indefinite-lived intangible assets	27,216	25,907
Impairment charge		2,600
Service provider network
Other intangible assets:
Gross carrying amount, indefinite-lived	2,000	2,000
Net, indefinite-lived intangible assets	2,000	2,000
Developed technology
Other intangible assets:
Gross carrying amount, finite-lived	759,205	759,290
Accumulated Amortization	(165,730)	(134,151)
Net, finite-lived intangible assets	$ 593,475	625,139
Developed technology | Weighted average
Other intangible assets:
Useful life	15 years 7 months 6 days
In-process research and development
Other intangible assets:
Gross carrying amount, finite-lived	$ 39,000	39,000
Accumulated Amortization	(6,681)	(5,055)
Net, finite-lived intangible assets	$ 32,319	33,945
In-process research and development | Weighted average
Other intangible assets:
Useful life	15 years
Customer relationships
Other intangible assets:
Gross carrying amount, finite-lived	$ 17,866	19,872
Accumulated Amortization	(1,958)	(2,198)
Net, finite-lived intangible assets	$ 15,908	17,674
Customer relationships | Weighted average
Other intangible assets:
Useful life	13 years
Software
Other intangible assets:
Gross carrying amount, finite-lived	$ 10,604	9,405
Accumulated Amortization	(3,638)	(2,161)
Impairment	(992)
Net, finite-lived intangible assets	$ 5,974	7,244
Software | Weighted average
Other intangible assets:
Useful life	3 years
Other
Other intangible assets:
Gross carrying amount, finite-lived	$ 100	100
Accumulated Amortization	(54)	(42)
Net, finite-lived intangible assets	$ 46	$ 58
Other | Weighted average
Other intangible assets:
Useful life	2 years 9 months 18 days