Business Combinations - Summary of Intangible Assets Acquired Based on Valuation (Details) - USD ($) $ in Thousands	May 06, 2019	Dec. 07, 2018	Oct. 12, 2018	Aug. 01, 2018
Exari
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value	$ 57,000
Exari | Developed technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value	$ 45,400
Exari | Developed technology | Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (in Years)	3 years
Exari | Developed technology | Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (in Years)	5 years
Exari | Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value	$ 11,100
Useful life (in Years)	5 years
Exari | Trademarks
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value	$ 500
Useful life (in Years)	1 year
Hiperos, LLC
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value		$ 17,585
Hiperos, LLC | Developed technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value		$ 10,000
Useful life (in Years)		6 years
Hiperos, LLC | Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value		$ 7,400
Useful life (in Years)		5 years
Hiperos, LLC | Trademarks
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value		$ 185
Useful life (in Years)		1 year
Aquiire
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value			$ 12,400
Aquiire | Developed technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value			$ 8,900
Useful life (in Years)			5 years
Aquiire | Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value			$ 3,500
Useful life (in Years)			5 years
DCR
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value				$ 12,800
DCR | Developed technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value				$ 9,500
Useful life (in Years)				5 years
DCR | Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible Assets, Fair Value				$ 3,300
Useful life (in Years)				5 years