Stockholders' Equity and Equity Incentive Plans - Schedule of Stock by Class Reserved for Future Issuance (Details) - shares	Jan. 31, 2024	Jan. 31, 2023
Class of Stock [Line Items]
Number of shares available for future issuance (in shares)	96,713,028	92,819,161
Stock options
Class of Stock [Line Items]
Number of shares available for future issuance (in shares)	3,314,228	4,800,616
RSUs
Class of Stock [Line Items]
Number of shares available for future issuance (in shares)	26,040,557	21,868,533
ESPP
Class of Stock [Line Items]
Number of shares available for future issuance (in shares)	2,086,604	2,851,856
2011 and 2019 Plan
Class of Stock [Line Items]
Number of shares available for future issuance (in shares)	50,559,254	51,367,359
2019 Employee Stock Purchase Plan | ESPP
Class of Stock [Line Items]
Number of shares available for future issuance (in shares)	14,712,385	11,930,797