Estimated fair value percentage of exercise price on date of grant.

No definition available.

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- Definition

Minimum estimated fair value percentage of exercise price on date of grant.

+ References

No definition available.

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- Definition

Minimum percentage of shareholders.

+ References

No definition available.

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- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

Number, after shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.

+ References

No definition available.

+ Details

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- Definition

Amount of noncash expense for share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Paragraph 28
-Subparagraph (a)
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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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- Definition

Number of options vested.

+ References

No definition available.

+ Details

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

+ References

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- Definition

Aggregate value of stock related to Restricted Stock Awards issued during the period.

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Stock Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 08, 2021	Oct. 29, 2020	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2017	Dec. 31, 2016
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock Issued During Period, Shares, Employee Stock Purchase Plans				0
Minimum Estimated Fair Value Percentage Of Exercise Price On Date Of Grant				100.00%
Minimum Percentage Of Shareholders				10.00%
Estimated Fair Value Percentage Of Exercise Price On Date Of Grant				110.00%
Share-based Payment Award, Expiration Period				10 years
Stock-based compensation				$ 3,035	$ 70
Employee Stock Purchase Plan [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based Payment Award, Expiration Period						6 years	6 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares						15,882,711	15,882,711
Class A Common Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Restricted stock units withheld to pay for statutory withholding taxes			20,232
Stock-based compensation			$ 700
Stock issued during period, shares, restricted stock award, gross	15,723		36,025
Defined contribution plan, employers matching contribution, annual vesting percentage	25.00%
Stock issued during period, value, restricted stock award, gross	$ 200,000
Class A Common Stock \| 2020 Equity Incentive Plan [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized		24,097,751
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		47,698,163
Class A Common Stock \| Employee Stock Purchase Plan [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			3,213,034	3,213,034