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Business Combinations - Narrative (Details) - USD ($)
$ in Millions
Oct. 01, 2021
Jan. 22, 2021
Dec. 31, 2021
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