Equity Plans and Stock-based Compensation - Narrative (Details) $ in Thousands		1 Months Ended	3 Months Ended
	Feb. 25, 2021 shares	Jun. 30, 2021 shares	Apr. 30, 2022 USD ($) contribution shares	Jan. 31, 2022 shares
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			141,902,638	106,331,590
Stock Options | $			$ 28,261
Employee stock purchase plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			7,913,721	8,177,683
Eligible compensation per employee (as a percent)			15.00%
Offering period (in months)			24 months
Purchase period (in months)			6 months
Purchase price of common stock, percent of fair value			85.00%
Maximum number of contribution increases | contribution			1
Maximum number of shares to be purchased per employee (in shares)			10,000
Period for recognition (in years)			2 years 9 months 29 days
Options to purchase common stock
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			20,781,407	22,200,869
Period for recognition (in years)			1 year 5 months 19 days
2021 Equity Incentive Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			7,913,721
Number of shares purchased (in shares)			263,962
Possible increase in percent of outstanding shares (as a percent)	1.00%
Number of additional shares allowable under the plan (in shares)	5,400,000
Percent of outstanding shares (as a percent)	5.00%
2017 Stock Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			18,002,006
2017 Stock Plan | Chief Executive Officer
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Number of stock options granted (in shares)		1,500,000
Stock Options | $			$ 24,700
2017 Stock Plan | Options to purchase common stock | Chief Executive Officer
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Period for recognition (in years)			2 years
2007 Stock Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			2,779,401
2021 Stock Option Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)			52,569,737	36,370,596
Number of stock options granted (in shares)			0