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Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Jan. 31, 2026
USD ($)
Source
Segment
Jan. 31, 2025
USD ($)
Jan. 31, 2024
USD ($)
Significant Accounting Policies [Line Items]      
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] srt:ChiefExecutiveOfficerMember    
Segment reporting, expense information used by CODM, description Our CODM reviews financial information presented on a consolidated basis for purposes of making operating decisions, allocating resources, and evaluating financial performance.    
Segment reporting, profit (loss) measure, how used by CODM, description our CODM uses consolidated net income to measure segment profit or loss.    
Number of reportable segments | Segment 1    
Number of operating segments | Segment 1    
Number of revenue sources | Source 3    
Sales commission estimated period of amortization on straight-line basis 5 years    
Deferred sales commissions costs $ 56,100,000 $ 52,000,000 $ 44,500,000
Amortized deferred commissions $ 53,000,000 52,500,000 54,200,000
Cash and cash equivalents liquid investments original maturity period 90 days    
Goodwill impairment $ 0 0 0
Advertising costs $ 28,700,000 27,100,000 17,500,000
Measured tax percentage of likelihood realized upon settlement 50.00%    
Benefit from (provision for) income taxes $ 16,654,000 $ 159,461,000 $ 66,446,000
Restructuring charges $ 10,600,000    
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Research and Development Expense    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true    
Change in Accounting Principle, Accounting Standards Update, Adoption Date Jan. 31, 2026    
Accounting Standards Update [Extensible Enumeration] Accounting Standards Update 2023-09 [Member]    
Credit Concentration Risk | Accounts Receivable      
Significant Accounting Policies [Line Items]      
Number of major customers no two  
Credit Concentration Risk | Accounts Receivable | Significant Customer      
Significant Accounting Policies [Line Items]      
Concentration risk percentage 10.00%    
Credit Concentration Risk | Accounts Receivable | Customer One      
Significant Accounting Policies [Line Items]      
Concentration risk percentage   10.00%  
Credit Concentration Risk | Accounts Receivable | Customer Two      
Significant Accounting Policies [Line Items]      
Concentration risk percentage   10.00%  
Customer Concentration Risk | Revenue | Significant Customer      
Significant Accounting Policies [Line Items]      
Concentration risk percentage 10.00% 10.00% 10.00%
Geographic Concentration Risk | Revenue | United States      
Significant Accounting Policies [Line Items]      
Concentration risk percentage 62.00% 64.00% 66.00%
Geographic Concentration Risk | Revenue | Japan      
Significant Accounting Policies [Line Items]      
Concentration risk percentage 25.00% 23.00% 21.00%
Minimum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 3 years    
Period of subscription and premier services contracts 1 year    
Finite-lived intangible assets estimated useful lives 2 years    
Maximum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 5 years    
Period of subscription and premier services contracts 3 years    
Finite-lived intangible assets estimated useful lives 7 years    
Capitalized Software      
Significant Accounting Policies [Line Items]      
Finite-lived intangible assets estimated useful lives 3 years