Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers and Revenue by Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenue	$ 94,340	$ 73,185
Subscription Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	68,625	46,969
Term and Perpetual Software Licenses [Member]
Disaggregation of Revenue [Line Items]
Total revenue	10,271	8,676
Maintenance and Support [Member]
Disaggregation of Revenue [Line Items]
Total revenue	8,422	9,557
Professional Services [Member]
Disaggregation of Revenue [Line Items]
Total revenue	6,791	7,340
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 231	$ 643