Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 172,225	$ 134,954
Less: accumulated amortization	(71,643)	(48,038)
Net carrying amount	100,582	86,916	[1]
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	114,395	102,349
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	57,180	31,030
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 650	$ 1,575

[1] As adjusted to reflect the impact of the full retrospective adoption of Topic 606.