Stockholders' Equity - Schedule of Common Stock Reserved For Future Issuance (Details) - shares shares in Thousands	Jan. 31, 2026	Jan. 31, 2025
Class of Stock [Line Items]
Reserved for future issuance (in shares)	83,521	78,557
Equity Incentive Plans
Class of Stock [Line Items]
Reserved for future issuance (in shares)	46,611	39,387
RSUs
Class of Stock [Line Items]
Reserved for future issuance (in shares)	23,792	27,268
Stock options
Class of Stock [Line Items]
Reserved for future issuance (in shares)	3	83
ESPP
Class of Stock [Line Items]
Reserved for future issuance (in shares)	13,115	11,819