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Equity Awards and Instruments - Summary of Intrinsic Value of Options Outstanding and Exercisable (Details) - Stock Option - 2020 Incentive Award Plan - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares outstanding (in shares)	13,613,473	18,691,667
Shares exercisable (in shares)	6,961,539
Weighted average exercise price, shares outstanding (USD per share)	$ 4.85	$ 4.47
Weighted average exercise price, shares exercisable (USD per share)	$ 4.40
Shares outstanding, intrinsic value	$ 361,441
Shares exercisable, intrinsic value	$ 187,962
Shares outstanding, weighted remaining contractual life (in years)	2 years 3 months 18 days
Shares exercisable, weighted remaining contractual life (in years)	1 year 8 months 12 days

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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