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Business Combinations - Narrative (Details) - USD ($)
3 Months Ended
Nov. 01, 2021
Mar. 01, 2021
Mar. 31, 2022
Mar. 31, 2021
Business Acquisition [Line Items]        
Cash consideration     $ (40,000) $ 11,305,000
MediaPro Holdings        
Business Acquisition [Line Items]        
Cash consideration   $ 11,200,000    
Cash acquired   1,900,000    
Equity consideration   $ 24,700,000    
SecurityAdvisor Technologies, Inc.        
Business Acquisition [Line Items]        
Cash consideration $ 22,600,000      
Cash acquired 4,000,000      
Equity consideration 29,000,000      
Measurement period adjustment     600,000  
Acquisition related costs     $ 0  
SecurityAdvisor Technologies, Inc. | Certain Key Employees | Restricted Stock        
Business Acquisition [Line Items]        
Service and performance-based vesting conditions, aggregate grant date fair value 15,900,000      
SecurityAdvisor Technologies, Inc. | Earn-Out Provisions        
Business Acquisition [Line Items]        
Contingent consideration 5,600,000      
SecurityAdvisor Technologies, Inc. | Earn-Out Provisions, Payable In Cash        
Business Acquisition [Line Items]        
Contingent consideration 5,000,000      
SecurityAdvisor Technologies, Inc. | Earn-Out Provision, Payable In Equity, Class A Common Stock        
Business Acquisition [Line Items]        
Contingent consideration $ 10,000,000