Revenue from Contracts with Customers - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue
Revenue	$ 64,843	$ 57,607
Products and licenses transferred at a point in time
Revenue
Revenue	37,798	33,146
Services transferred over time
Revenue
Revenue	27,045	24,461
EMEA
Revenue
Revenue	$ 31,842	$ 27,820
EMEA | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Revenue
Percent of total	49.00%	48.00%
Americas
Revenue
Revenue	$ 21,344	$ 20,498
Americas | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Revenue
Percent of total	33.00%	36.00%
APAC
Revenue
Revenue	$ 11,657	$ 9,289
APAC | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Revenue
Percent of total	18.00%	16.00%
Subscription
Revenue
Revenue	$ 39,994	$ 29,956
Maintenance and support
Revenue
Revenue	10,571	11,161
Professional services and other
Revenue
Revenue	$ 1,702	$ 1,624
License | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Revenue
Percent of total	1.00%	1.00%
Hardware products
Revenue
Revenue	$ 12,576	$ 14,866