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Revenue Recognition - Remaining Performance Obligations - Additional Information (Details 1)
$ in Millions
Sep. 30, 2021
USD ($)
Subscription and Other Contracts | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-10-01  
Disaggregation Of Revenue [Line Items]  
Revenue remaining performance obligation $ 256.2
Remaining performance obligation recognition period 12 months
Professional Services  
Disaggregation Of Revenue [Line Items]  
Revenue remaining performance obligation $ 10.8
Professional Services | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-10-01  
Disaggregation Of Revenue [Line Items]  
Revenue remaining performance obligation $ 9.7
Remaining performance obligation recognition period 12 months