Intrinsic value of equity-based compensation awards forfeited. Excludes stock and unit options.

No definition available.

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- Definition

Purchase cost of treasury shares acquired during the period.

+ References

No definition available.

+ Details

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- Definition

The number of shares purchased 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).

+ References

No definition available.

+ Details

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- Definition

The maximum cash amount for the purchase of entity shares for long-term incentive plan awards during the plan period.

+ References

No definition available.

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- Definition

Number of business days for occurrence of vesting after announcement of group's annual results.

+ References

No definition available.

+ Details

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- Definition

Number of business days for occurrence of vesting after publication date of annual report.

+ References

No definition available.

+ Details

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- Definition

Number of years after the covered financial year to which the award relates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of stock awards vesting on first anniversary of the vesting commencement date as defined in the grant letter.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of stock awards vesting on Fourth anniversary of the vesting commencement date as defined in the grant letter.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of stock awards vesting on second anniversary of the vesting commencement date as defined in the grant letter.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of stock awards vesting on third anniversary of the vesting commencement date as defined in the grant letter.

+ References

No definition available.

+ Details

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- Definition

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.

+ 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 (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

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

+ 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 (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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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.

+ Details

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- References

No definition available.

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- Definition

Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

+ References

No definition available.

+ Details

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- Definition

Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

+ References

No definition available.

+ Details

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Share-based Compensation - LTIP (Details) - LTIP - USD ($)							12 Months Ended
	Dec. 14, 2018	Aug. 06, 2018	Dec. 05, 2017	Aug. 02, 2017	Mar. 15, 2017	Oct. 19, 2015	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 15, 2017	Mar. 24, 2016
Shared-based Compensation Award, Performance
Share-based Compensation
Maximum cash amount per annum	$ 1,500,000	$ 100,000		$ 6,000,000	$ 400,000	$ 1,800,000					$ 500,000	$ 300,000
Number of business days for vesting after publication date of annual report					1 day	1 day
Number of years after the covered financial year to which the LTIP award relates	2 years	2 years	2 years	2 years	2 years	2 years
Vesting percentage on first anniversary												25.00%
Vesting percentage on second anniversary												25.00%
Vesting percentage on third anniversary												25.00%
Vesting percentage on fourth anniversary												25.00%
Number of business days for vesting after announcement of group's annual results	2 days	2 days	2 days	2 days	2 days
Awarded Shares
Ordinary Shares Purchased and Held by Trustee - Number of treasury shares
As at January 1							112,103	55,978	62,921
Purchased								79,500	35,095
Vested								(23,375)	(42,038)
As at December 31								112,103	55,978	62,921
Ordinary Shares Purchased and Held by Trustee - Cost
As at January 1							$ 6,677,000	$ 1,957,000	$ 2,390,000
Purchased								5,451,000	1,367,000
Vested								(731,000)	(1,800,000)
As at December 31								6,677,000	1,957,000	$ 2,390,000
Awards forfeited								$ 692,000	$ 79,000	$ 25,000
Awarded Shares \| Maximum \| Forecast
Ordinary Shares Purchased and Held by Trustee - Cost
Purchased							$ 1,133,000