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Business Combinations - Narrative (Details) - USD ($) $ in Millions | Oct. 01, 2021 | Jan. 22, 2021 | Dec. 31, 2021
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Threat Stack |  |  |
Business Acquisition [Line Items] |  |  |
Total purchase price | $ 68.9 |  |
Identifiable intangible assets useful life | 5 years |  |
Threat Stack | General and Administrative Expense |  |  |
Business Acquisition [Line Items] |  |  |
Transaction costs |  |  | $ 1.5
Volterra [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Total purchase price |  | $ 427.2 |
Identifiable intangible assets useful life |  | 6 years 11 months 12 days |
Volterra [Member] | General and Administrative Expense |  |  |
Business Acquisition [Line Items] |  |  |
Transaction costs |  |  | $ 9.5
Developed Technology Rights | Threat Stack |  |  |
Business Acquisition [Line Items] |  |  |
Identifiable intangible assets useful life | 5 years |  |
Developed Technology Rights | Volterra [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Identifiable intangible assets useful life |  | 7 years |
Customer Relationships | Threat Stack |  |  |
Business Acquisition [Line Items] |  |  |
Identifiable intangible assets useful life | 5 years |  |
Customer Relationships | Volterra [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Identifiable intangible assets useful life |  | 1 year |

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