Net Income (Loss) Per Share Attributable to Common Stockholders - Schedule of Antidilutive Securities (Details) - shares shares in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares excluded from diluted net income (loss) per share (in shares)	6,855	13,141
Shares of common stock subject to repurchase from outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares excluded from diluted net income (loss) per share (in shares)	0	132
RSUs and PSUs subject to future vesting
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares excluded from diluted net income (loss) per share (in shares)	5,832	8,881
Shares of common stock issuable from stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares excluded from diluted net income (loss) per share (in shares)	3	3,518
Share purchase rights under the Employee Stock Purchase Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares excluded from diluted net income (loss) per share (in shares)	1,020	610