v3.26.1
STOCKHOLDERS’ EQUITY - Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Oct. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Total stock-based compensation expense, net of amounts capitalized   $ 41,857 $ 18,649 $ 79,169 $ 35,909
Capitalized stock-based compensation $ 900 1,517 825 2,591 1,395
Total stock-based compensation cost   43,374 19,474 81,760 37,304
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Total stock-based compensation expense, net of amounts capitalized   2,362 855 4,082 1,902
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Total stock-based compensation expense, net of amounts capitalized   11,026 6,178 27,399 11,898
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Total stock-based compensation expense, net of amounts capitalized   15,652 7,473 26,616 14,371
Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Total stock-based compensation expense, net of amounts capitalized   $ 12,817 $ 4,143 $ 21,072 $ 7,738