Common Stock, Additional Capital Shares Reserved for Future Issuance

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-Section S99
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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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- 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.

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No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Equity-Based Compensation Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reversal of equity-based compensation expense	$ (191.5)	$ (147.0)	$ (125.5)
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 17.0
Weighted average recognition period	2 years 1 month 6 days
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 284.2
Weighted average recognition period	2 years 6 months
Performance Shares \| Restatement Adjustment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reversal of equity-based compensation expense		$ 15.6
2015 Equity Incentive Plan \| Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares rolled over (in shares)	27,340,000
2015 Equity Incentive Plan \| Class A Common Stock \| Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional capital shares reserved for future issuance (in shares)				6,794,000
2015 Employee Stock Purchase Plan \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares rolled over (in shares)	4,081,000
2015 Employee Stock Purchase Plan \| Class A Common Stock \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional capital shares reserved for future issuance (in shares)				1,000,000