Equity Incentive Plans and Stock-based Compensation - Summary of Stock-Based Compensation Expense in Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 85,048	$ 101,454
Cost of revenue | Subscription services
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	3,178	3,216
Cost of revenue | Professional services and other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	2,699	3,874
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	33,123	50,758
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	24,773	26,623
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 21,275	$ 16,983