Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 194,934	$ 151,118	$ 524,347	$ 404,845
Usage-Based Revenue
Disaggregation of Revenue [Line Items]
Revenue	179,902	139,205	479,600	371,653
Subscription Revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 15,032	$ 11,913	$ 44,747	$ 33,192