Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
Finite-lived intangibles assets, Gross Carrying Amount	$ 408,448
Finite-lived intangibles assets, Accumulated Amortization	83,095
Finite-lived intangibles assets, Net	325,353
Identifiable intangibles assets, Gross Carrying Amount	455,048	$ 80,098
Identifiable intangibles assets, Accumulated Amortization	83,095	72,650
Identifiable intangibles assets, Net	371,953	7,448
Developed technology [Member]
Finite Lived Intangible Assets [Line Items]
Finite-lived intangibles assets, Gross Carrying Amount	326,726	66,177
Finite-lived intangibles assets, Accumulated Amortization	67,861	59,692
Finite-lived intangibles assets, Net	258,865	6,485
Customer relationships [Member]
Finite Lived Intangible Assets [Line Items]
Finite-lived intangibles assets, Gross Carrying Amount	69,261	9,560
Finite-lived intangibles assets, Accumulated Amortization	11,078	9,082
Finite-lived intangibles assets, Net	58,183	478
Trademarks and trade names [Member]
Finite Lived Intangible Assets [Line Items]
Finite-lived intangibles assets, Gross Carrying Amount	12,461	4,361
Finite-lived intangibles assets, Accumulated Amortization	4,156	3,876
Finite-lived intangibles assets, Net	8,305	$ 485
In-process research and development [Member]
Finite Lived Intangible Assets [Line Items]
Identifiable intangibles assets, Gross Carrying Amount	46,600
Identifiable intangibles assets, Net	$ 46,600