Employee Benefit Plans - Equity Incentive Plans (Details)	12 Months Ended
Dec. 31, 2020 tranche shares
PBRSUs \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	50.00%
PBRSUs \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	50.00%
PSUs \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches \| tranche	2
PSUs \| Tranche One \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	50.00%
Award measurement period	2 years
Award vesting period	2 years
PSUs \| Tranche Two \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	50.00%
Award measurement period	3 years
Award vesting period	3 years
Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	755,000,000
Shares available for grant	46,000,000
Equity Incentive Plan \| Stock Option \| Graded Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	2.08%
Equity Incentive Plan \| Stock Option \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Award expiration term	7 years
Equity Incentive Plan \| Stock Option \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
Award expiration term	10 years
Equity Incentive Plan \| Stock Option \| Existing Employees \| Cliff Vesting, Six Months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	12.50%
Award vesting period	6 months
Equity Incentive Plan \| Stock Option \| New Employees \| Cliff Vesting, Year One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	25.00%
Award vesting period	1 year

Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Tranches

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
-SubTopic 10
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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.

+ References

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

Percentage of vesting of award under share-based payment arrangement.

+ References

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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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