v3.26.1
Summary of Significant Accounting Policies - Concentration of Credit Risk (Narrative) (Details) - Customer Concentration Risk - Largest Customer
3 Months Ended 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Jan. 31, 2026
Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 14.00%   14.00%
Revenue Benchmark      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 16.00% 13.00%