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Revenue from Contracts with Customers (Tables)
3 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Summary of Revenue from Contracts with Customers and Revenue by Region
The following table summarizes revenue from contracts with customers for the three months ended March 31, 2021 and 2020:
Three Months Ended March 31,
20212020
(in thousands)
Subscriptions$107,167 $84,548 
Perpetual software licenses2,114 2,770 
Professional services8,166 6,791 
Other231 
Total revenue$117,451 $94,340 
Summary of Estimated Revenue Expected to be Recognized in Future Related to Performance Obligations The estimated revenues do not include unexercised contract renewals.
Next Twelve MonthsThereafter
 (in thousands)
Subscriptions$290,552 $79,335 
Perpetual software licenses6,880 2,917 
Professional services12,488 1,084