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Revenue Recognition - Remaining Performance Obligations - Additional Information (Details 1)
$ in Millions
Dec. 31, 2020
USD ($)
Subscription and Other Contracts | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01  
Disaggregation Of Revenue [Line Items]  
Revenue remaining performance obligation $ 212.8
Remaining performance obligation recognition period 12 months
Professional Services  
Disaggregation Of Revenue [Line Items]  
Revenue remaining performance obligation $ 16.5
Professional Services | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01  
Disaggregation Of Revenue [Line Items]  
Revenue remaining performance obligation $ 13.5
Remaining performance obligation recognition period 12 months