Revenues - Disaggregation of Revenue by Product and Service (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2026	Apr. 30, 2025
Disaggregation of Revenue [Line Items]
Total revenue	$ 264,158	$ 214,509
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	$ 239,306	$ 194,481
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	90.00%	91.00%
Subscription—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 151,082	$ 130,296
Subscription—self-managed \| Revenue from Contract with Customer, Product and Service Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	57.00%	61.00%
SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 88,224	$ 64,185
SaaS \| Revenue from Contract with Customer, Product and Service Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	33.00%	30.00%
License—self-managed and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 24,852	$ 20,028
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	10.00%	9.00%
License—self-managed
Disaggregation of Revenue [Line Items]
Total revenue	$ 18,190	$ 15,028
License—self-managed \| Revenue from Contract with Customer, Product and Service Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	7.00%	7.00%
Professional services and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 6,662	$ 5,000
Professional services and other \| Revenue from Contract with Customer, Product and Service Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	3.00%	2.00%