Description of Business and Basis of Presentation - Additional Information (Details) - Segment	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023	Jan. 31, 2024
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of reporting segment			1
Credit Concentration Risk | Accounts Receivable
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of major customers			no		no
Credit Concentration Risk | Accounts Receivable | Significant Customer
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Concentration risk percentage			10.00%		10.00%
Customer Concentration Risk | Revenue
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of major customers	No		No
Customer Concentration Risk | Revenue | Significant Customer
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Geographic Concentration Risk | Revenue | United States
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Concentration risk percentage	65.00%	66.00%	65.00%	67.00%
Geographic Concentration Risk | Revenue | Japan
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Concentration risk percentage	22.00%	21.00%	22.00%	21.00%