Acquisitions - Narrative (Details) - USD ($)		1 Months Ended							12 Months Ended
	Nov. 01, 2019	Feb. 28, 2022	Oct. 31, 2021	Feb. 28, 2021	Oct. 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Jan. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Acquisition related costs									$ 13,300,000	$ 5,600,000	$ 1,900,000
Goodwill									2,156,254,000	1,674,371,000	1,600,265,000
Payments to acquire assets									$ 0	$ 36,376,000	$ 0
Instart Logic
Business Acquisition [Line Items]
Payments to acquire assets						$ 36,400,000
Instart Logic | Customer-related intangible assets
Business Acquisition [Line Items]
Useful life						17 years
Linode | Subsequent Event
Business Acquisition [Line Items]
Total purchase consideration		$ 900,000,000
Guardicore Ltd.
Business Acquisition [Line Items]
Total purchase consideration			$ 610,439,000
Cash transferred			610,400,000
Gross carrying amount of intangible assets			$ 123,600,000
Weighted average useful life			14 years 7 months 6 days
Goodwill			$ 479,110,000
Identifiable intangible assets			123,600,000
Guardicore Ltd. | Customer-related intangible assets
Business Acquisition [Line Items]
Gross carrying amount of intangible assets			$ 44,200,000
Weighted average useful life			14 years
Inverse, Inc.
Business Acquisition [Line Items]
Cash transferred				$ 17,100,000
Weighted average useful life				14 years
Goodwill				$ 10,700,000
Identifiable intangible assets				7,600,000
Goodwill expected tax deductible amount				$ 10,700,000
Asavie
Business Acquisition [Line Items]
Total purchase consideration					$ 154,952,000
Cash transferred					155,000,000
Gross carrying amount of intangible assets					$ 58,070,000
Weighted average useful life					10 years 9 months 18 days
Goodwill					$ 70,228,000
Identifiable intangible assets					58,070,000
Goodwill expected tax deductible amount					0
Asavie | Customer-related intangible assets
Business Acquisition [Line Items]
Gross carrying amount of intangible assets					$ 40,400,000
Weighted average useful life					11 years 1 month 6 days
ChameleonX
Business Acquisition [Line Items]
Cash transferred							$ 11,900,000
Weighted average useful life							7 years 1 month 6 days
Goodwill							$ 7,100,000
Identifiable intangible assets							6,100,000
Goodwill expected tax deductible amount							$ 7,300,000
Exceda
Business Acquisition [Line Items]
Cash transferred	$ 32,700,000
Weighted average useful life	8 years 1 month 6 days
Goodwill	$ 14,700,000
Identifiable intangible assets	16,500,000
Goodwill expected tax deductible amount	14,700,000
Indemnification asset	$ 20,000,000
Janrain, Inc.
Business Acquisition [Line Items]
Total purchase consideration								$ 123,632,000
Cash transferred								123,600,000
Gross carrying amount of intangible assets								$ 26,930,000
Weighted average useful life								11 years 9 months 18 days
Goodwill								$ 92,188,000
Identifiable intangible assets								26,930,000
Goodwill expected tax deductible amount								45,700,000
Janrain, Inc. | Customer-related intangible assets
Business Acquisition [Line Items]
Gross carrying amount of intangible assets								$ 17,700,000
Weighted average useful life								13 years 10 months 24 days