No definition available.

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- Definition

The number of grants 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

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)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ 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=116856206&loc=d3e5070-113901

+ Details

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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
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Number of performance targets defined under a share-based compensation award achieved at some level.

+ References

No definition available.

+ Details

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- Definition

Number of performance targets defined under a share-based compensation award deemed probable of achievement at some level.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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SHARE-BASED PAYMENT - Plan Information (Details)	3 Months Ended	12 Months Ended
SHARE-BASED PAYMENT - Plan Information (Details)	Mar. 31, 2019 shares	Dec. 31, 2019 item shares	Dec. 31, 2018 item shares	Dec. 31, 2017 shares
RSUs
Share-Based Payment
Granted (in shares)		295,851
Performance shares vested		488,787	0
2015 Equity Incentive Plan
Share-Based Payment
Number of shares of stock authorized for issuance		8,500,000
Number of shares remaining available for grant		800,000
PSP \| RSUs \| Officers And Employees
Share-Based Payment
Granted (in shares)		300,000	300,000	300,000
2016 PSP
Share-Based Payment
Number of performance targets achieved at some level \| item		3
Number of performance targets deemed probable of achievement at some level \| item			3
2016 PSP \| RSUs
Share-Based Payment
Performance shares vested	500,000
2017 PSP
Share-Based Payment
Number of performance targets deemed probable of achievement at some level \| item		3	3
2018 PSP
Share-Based Payment
Number of performance targets deemed probable of achievement at some level \| item		1	1
2019 PSP
Share-Based Payment
Number of performance targets deemed probable of achievement at some level \| item		3