Revenues - Disaggregation of Revenue by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 955,224	$ 759,249	$ 579,906
United States
Disaggregation of Revenue [Line Items]
Total revenue	787,348	618,658	473,021
Europe
Disaggregation of Revenue [Line Items]
Total revenue	145,639	122,651	93,292
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenue	$ 22,237	$ 17,940	$ 13,593