Revenues - Disaggregation of Revenue by Product and Service (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 126,878	$ 87,407
Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	100.00%	100.00%
Subscription—self-managed and SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 111,191	$ 76,923
Subscription—self-managed and SaaS | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	88.00%	88.00%
Subscription—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 79,587	$ 59,719
Subscription—self-managed | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	63.00%	68.00%
SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 31,604	$ 17,204
SaaS | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	25.00%	20.00%
License—self-managed and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 15,687	$ 10,484
License—self-managed and other | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	12.00%	12.00%
License—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 13,355	$ 8,777
License—self-managed | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	10.00%	10.00%
Professional services and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,332	$ 1,707
Professional services and other | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	2.00%	2.00%