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Revenue - Revenue by Services (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue $ 114,266 $ 88,855
Subscriptions    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue 83,720 63,766
SaaS subscriptions    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue 53,379 39,053
Term license subscriptions    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue 24,707 19,853
Maintenance and support    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue 5,634 4,860
Professional services    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue $ 30,546 $ 25,089