v3.26.1
Marketable Securities - Narrative (Details) - USD ($)
Jan. 31, 2026
Jan. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Prepaid expenses and other current assets  
Debt securities, available for sale, accrued interest $ 3,200,000 $ 4,600,000
Debt securities, available-for-sale, allowance for credit loss, excluding accrued interest $ 0