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Stock-based Compensation - Summary of RSA Activity (Details) - Unvested RSAs	9 Months Ended
	Sep. 30, 2021 $ / shares shares
RSA's
Unvested shares as of December 31, 2020 | shares	7,562,503
Vested | shares	(3,968,751)
Forfeited | shares	18,750
Unvested shares as of September 30, 2021 | shares	3,575,002
Weighted-Average Grant Date Fair Value per Share
Unvested shares as of December 31, 2020 | $ / shares	$ 0.0001
Vested | $ / shares	0.0001
Forfeited | $ / shares	0.0001
Unvested shares as of September 30, 2021 | $ / shares	$ 0.0001

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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-Publisher FASB
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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