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).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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=6415400&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.

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- Definition

Net number of non-option equity instruments granted to participants.

+ 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 (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Incentive Compensation - Additional Information (Details) - shares	Jul. 28, 2017	Feb. 15, 2017	Jan. 11, 2017	Jan. 07, 2017
Common Units \| President and CEO
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of stock units, fully vested (in shares)				312,825
Common Units \| Non-employee Directors \| Non-Employee Director on the Board other than Robert E. W. Sinclair
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of stock units, fully vested (in shares)			9,095
Common Units \| Non-employee Directors \| Robert E. W. Sinclair
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of stock units, fully vested (in shares)			3,653
Common Units \| Non-employee Directors \| William Randall \| Subsequent Event
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of stock units, fully vested (in shares)	6,426
Restricted Common Units \| 2015 LTIP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of stock units (in shares)		438,067
Restricted Performance Units \| 2015 LTIP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of stock units (in shares)		438,067