Restructuring - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Restructuring Cost and Reserve [Line Items]
Total	$ 3,567	$ 4,474
Research and development
Restructuring Cost and Reserve [Line Items]
Total	$ 1,130	$ 2,492
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Research and development	Research and development
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Total	$ 1,162	$ 1,241
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Sales and marketing	Sales and marketing
General and administrative
Restructuring Cost and Reserve [Line Items]
Total	$ 1,275	$ 741
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	General and administrative	General and administrative