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Acquisitions - Digita Security LLC (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 26, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 31, 2022
Acquisitions          
Cash payment for contingent consideration   $ 4,206 $ 0 $ 0  
Developed technology          
Acquisitions          
Useful life     5 years    
Maximum          
Acquisitions          
Useful life   12 years      
Maximum | Developed technology          
Acquisitions          
Useful life   6 years 6 months      
Digita Security LLC          
Acquisitions          
Aggregate purchase price $ 14,400        
Contingent consideration, liability 9,000        
Acquisition-related expenses       500  
Goodwill deductible for income tax purposes       $ 1,700  
Maximum contingent consideration $ 15,000        
Cash payment for contingent consideration   $ 4,200      
Additional cash payment period   30 days      
Compensation expense     $ 5,000    
Digita Security LLC | Subsequent Event          
Acquisitions          
Additional cash payment         $ 4,600
Digita Security LLC | Developed technology          
Acquisitions          
Useful life 5 years        
Digita Security LLC | Maximum          
Acquisitions          
Compensation expense     $ 5,000