Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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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
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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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Shareholders' Deficit - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation related to share-based awards	$ 6,585	$ 9,222	$ 17,645	$ 11,576	$ 12,600	$ 24,733
Unrecognized compensation cost	30,700						$ 30,700
Additional Paid-in Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation related to share-based awards	$ 6,585	$ 9,222	$ 17,645	$ 11,576	$ 12,600	$ 24,733	$ 33,500	$ 48,900
Nonvested Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period							4 months 24 days
Nonvested Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period							1 year 6 months