Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 124,232	$ 134,954
Accumulated Amortization	(41,679)	(48,038)
Net Carrying Amount	82,553	86,916	[1]
2018	17,231
2019	22,920
2020	12,895
2021	10,959
2022	7,066
Thereafter	11,482
Total future amortization expense	82,553
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	75,271	102,349
Accumulated Amortization	(34,388)	(43,382)
Net Carrying Amount	40,883	58,967
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	32,130	31,030
Accumulated Amortization	(4,092)	(3,239)
Net Carrying Amount	28,038	27,791
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,831	1,575
Accumulated Amortization	(3,199)	(1,417)
Net Carrying Amount	$ 13,632	$ 158

[1] As adjusted to reflect the impact of the full retrospective adoption of Topic 606. See Note 2 for further details.