The number of unit-based payment awards considered granted and outstanding for accounting purposes as the performance metric has been set.

No definition available.

+ Details

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- Definition

The number of unit-based payment awards transferred in the Employee Transfer.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
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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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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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- Details

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- Details

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UNIT-BASED COMPENSATION Narrative 4 (Details) - shares	Mar. 01, 2016	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unit based awards, transferred (units)	730,288
The 2000 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unit-based compensation, number of units authorized		3,250,000
Unit based awards, transferred (units)	730,288
The 2000 LTIP [Member] \| Performance awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unit based awards, transferred (units)	77,014
Unit based awards granted for accounting purposes (units)			35,373