Restructuring and Other Related Charges - Schedule of Restructuring Costs (Details) - Employee Severance - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,646	$ 1,896	$ 8,027
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of revenue, General and administrative, Research and development, Sales and marketing	Cost of revenue, General and administrative, Research and development, Sales and marketing	Cost of revenue, General and administrative, Research and development, Sales and marketing
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 153	$ 0	$ 463
Research and development
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	393	2,119
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,493	1,126	3,811
General and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0	$ 377	$ 1,634