Revenues - Disaggregation of Revenue by Product and Service (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 139,581	$ 101,041	$ 266,459	$ 188,448
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	$ 122,096	$ 88,936	$ 233,287	$ 165,859
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%	88.00%	87.00%	88.00%
Subscription—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 86,659	$ 66,896	$ 166,246	$ 126,615
Subscription—self-managed | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	62.00%	66.00%	62.00%	67.00%
SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,437	$ 22,040	$ 67,041	$ 39,244
SaaS | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	25.00%	22.00%	25.00%	21.00%
License—self-managed and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 17,485	$ 12,105	$ 33,172	$ 22,589
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%	12.00%	13.00%	12.00%
License—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 14,624	$ 10,009	$ 27,979	$ 18,786
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%	10.00%	11.00%	10.00%
Professional services and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,861	$ 2,096	$ 5,193	$ 3,803
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%	2.00%	2.00%