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Stock-based Compensation - Schedule of Restricted Stock Units Activity (Details)	3 Months Ended
	Mar. 31, 2021 $ / shares shares
Restricted Stock and Restricted Stock Units
Restricted Stock and RSUs
Unvested and outstanding, beginning balance (in shares) | shares	8,629,000
Forfeited (in shares) | shares	(170,000)
Unvested, ending balance (in shares) | shares	8,447,000
Vested and not yet released (in shares) | shares
Outstanding at end of period (in shares) | shares	8,447,000
Weighted-Average Grant Date Fair Value
Unvested, weighted average grant date fair value, beginning balance (in dollars per share) | $ / shares	$ 21.38
Forfeited (in dollars per share) | $ / shares	25.78
Unvested, weighted average grant date fair value, ending balance (in dollars per share) | $ / shares	26.52
Vested and not yet released, weighted-average grant date fair value (in dollars per share) | $ / shares
Outstanding at end of period, weighted-average grant date fair value (in dollars per share) | $ / shares
Restricted Stock Units (RSUs)
Restricted Stock and RSUs
Granted (in shares) | shares	637,000
Vested (in shares) | shares	(649,000)
Weighted-Average Grant Date Fair Value
Granted (in dollars per share) | $ / shares	$ 82.58
Vested (in dollars per share) | $ / shares	$ 15.32
Restricted Stock
Restricted Stock and RSUs
Granted (in shares) | shares	0
Vested (in shares) | shares	0
Weighted-Average Grant Date Fair Value
Granted (in dollars per share) | $ / shares	$ 0
Vested (in dollars per share) | $ / shares	$ 0

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Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Outstanding, Number

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

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-Publisher FASB
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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.

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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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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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.

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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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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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