Revenues - Disaggregation of Revenue by Product and Service (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 112,981	$ 66,800	$ 301,429	$ 174,857
Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Subscription—self-managed and SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 98,435	$ 59,774	$ 264,294	$ 156,542
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	87.00%	89.00%	88.00%	90.00%
Subscription—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 72,720	$ 47,215	$ 199,335	$ 124,742
Subscription—self-managed | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	64.00%	70.00%	66.00%	72.00%
SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 25,715	$ 12,559	$ 64,959	$ 31,800
SaaS | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	23.00%	19.00%	22.00%	18.00%
License—self-managed and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 14,546	$ 7,026	$ 37,135	$ 18,315
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	13.00%	11.00%	12.00%	10.00%
License—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 11,860	$ 5,314	$ 30,646	$ 13,757
License—self-managed | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	11.00%	8.00%	10.00%	8.00%
Professional services and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,686	$ 1,712	$ 6,489	$ 4,558
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%	3.00%	2.00%	2.00%