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Share-Based Compensation - Restricted Stock Units Narratives (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award
Share based compensation not yet recognized for unvested shares vesting period	3 years 2 months 12 days
Tranche One
Share-based Compensation Arrangement by Share-based Payment Award
Stock options vesting period	4 years
Stock option vesting right percentage	25.00%
Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award
Stock options vesting period	3 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Stock options vesting period	3 years
Share based compensation not yet recognized for unvested shares other than options	$ 5.1
Share based compensation not yet recognized for unvested shares vesting period	2 years 8 months 12 days
RSUs | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award
Stock option vesting right percentage	50.00%
RSUs | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award
Stock option vesting right percentage	50.00%

X

- 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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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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.

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

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-Section 50
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