Equity Incentive Plans and Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended			3 Months Ended	9 Months Ended
	Jul. 29, 2022	Jul. 31, 2023	Apr. 30, 2021	Sep. 30, 2020	Jul. 31, 2022	Oct. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value of stock options granted (in dollars per share)						$ 16.56
Intrinsic value of stock options exercised						$ 55,400
Cost not yet recognized for unvested options						$ 113,000
Restricted stock awards issued, value					$ 1
Re:infer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued at closing subject to clawback provisions (in shares)	400
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining period						2 years 3 months 18 days
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining period						2 years 4 months 24 days
Fair value of RSUs vested						$ 236,200
Unrecognized compensation expense						$ 612,600
Grant date fair value per share (in dollars per share)						$ 16.54
Granted (in shares)						17,615
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining period						10 months 24 days
Unrecognized compensation expense						$ 900
Restricted stock awards issued (in shares)				100
Grant date fair value per share (in dollars per share)				$ 33.22
Restricted stock awards issued, value				$ 4,000
Award vesting period				4 years
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value per share (in dollars per share)		$ 18.08
Granted (in shares)		100
Performance Shares | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights (percent)		0.00%
Performance Shares | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights (percent)		100.00%
Performance Shares | Share-Based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights (percent)		200.00%
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future issuances (in shares)			15,500
Period of shares automatically increase			10 years
Percentage of total number of shares			1.00%
Number of shares authorized (in shares)						21,500
Weighted-average remaining period						1 month 6 days
Unrecognized compensation expense						$ 700
Shares purchased (in shares)						800
Purchase price (in dollars per share)						$ 11.19
Common Stock | Re:infer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining period	3 years					1 year 9 months 18 days
Unrecognized compensation expense	$ 7,600					$ 4,500
Class A Common Stock | ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock, offering date, percent of market price			85.00%
Purchase price of common stock, purchase date, percent of market price			85.00%
2021 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of shares automatically increase			10 years
Percentage of total number of shares			5.00%
2021 Stock Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future issuances (in shares)						173,700