Stockholders' Equity - Schedule of Common Stock Reserved for Issuance (Details) - shares	Jan. 31, 2022	Jan. 31, 2021
Common Stock Reserved For Future Issuance [Line Items]
Total shares of common stock reserved	6,361	5,825
Restricted stock units outstanding
Common Stock Reserved For Future Issuance [Line Items]
Total shares of common stock reserved	1,312	1,441
Options to purchase common stock
Common Stock Reserved For Future Issuance [Line Items]
Total shares of common stock reserved	1,325	1,366
Shares available for future issuance under stock plans
Common Stock Reserved For Future Issuance [Line Items]
Total shares of common stock reserved	2,354	1,887
Shares reserved under ESPP
Common Stock Reserved For Future Issuance [Line Items]
Total shares of common stock reserved	1,370	1,131