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Aggregate number of common shares reserved for future issuance.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of new stock issued during the period.

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Stock-Based Compensation - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended	7 Months Ended
	Sep. 30, 2020	Jan. 31, 2018	Jul. 31, 2021	Dec. 10, 2020	May 01, 2021	Nov. 27, 2020
Chief Executive Officer (CEO)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Notes receivable		$ 24,500,000
Proceeds from notes receivable payment	$ 26,000,000
Chief Executive Officer (CEO) \| Notes Receivable
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Interest income	$ 0
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost			$ 138,900,000
Unrecognized compensation cost, weighted-average recognition period			3 years 6 months
Vesting period			5 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average recognition period			4 years 10 months 24 days
Granted, non-option (in shares)			3,537,000	0
Vesting period			5 years
Unrecognized stock-based compensation expense			$ 240,200,000
2020 Incentive Plan \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period			10 years
2020 Employee Stock Purchase Plan \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of employee earnings participation (up to)						15.00%
Common Class A and Common Class B \| 2020 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Automatic increase to shares reserved for future issuance, percent of total shares outstanding as of April 30, 2021					5.00%
Common Class A and Common Class B \| 2020 Employee Stock Purchase Plan \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Automatic increase to shares reserved for future issuance, percent of total shares outstanding as of April 30, 2021					1.00%
Class A Common Stock \| 2020 Employee Stock Purchase Plan \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)						3,000,000
Series F Preferred Stock \| Chief Executive Officer (CEO)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued during period (in shares)		1,251,921