Revenue and Performance Obligations - Summary of Revenue Disaggregated by Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 475,889	$ 320,769	$ 211,854
Revenue | Product
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	100.00%	100.00%	100.00%
Subscription Revenue
Disaggregation Of Revenue [Line Items]
Revenue	$ 460,988	$ 313,683	$ 205,907
Subscription Revenue | Revenue | Product
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	97.00%	98.00%	97.00%
Subscription Revenue | License
Disaggregation Of Revenue [Line Items]
Revenue	$ 64,273	$ 47,504	$ 36,208
Subscription Revenue | License | Revenue | Product
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	14.00%	15.00%	17.00%
Subscription Revenue | Support
Disaggregation Of Revenue [Line Items]
Revenue	$ 349,855	$ 247,566	$ 165,607
Subscription Revenue | Support | Revenue | Product
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	73.00%	77.00%	78.00%
Subscription Revenue | Cloud-hosted services
Disaggregation Of Revenue [Line Items]
Revenue	$ 46,860	$ 18,613	$ 4,092
Subscription Revenue | Cloud-hosted services | Revenue | Product
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	10.00%	6.00%	2.00%
Professional services and other
Disaggregation Of Revenue [Line Items]
Revenue	$ 14,901	$ 7,086	$ 5,947
Professional services and other | Revenue | Product
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	3.00%	2.00%	3.00%