DISTRIBUTIONS FROM NUSTAR ENERGY Narrative 1 (Details)	12 Months Ended
Dec. 31, 2016 $ / shares
DISTRIBUTIONS FROM NUSTAR ENERGY [Abstract]
Incentive distribution rights entitlement, minimum per unit	$ 0.60
Incentive distribution rights maximum cash percentage	23.00%
Incentive distribution rights entitlement, maximum per unit	$ 0.66
General partner interest percentage	2.00%

DISTRIBUTIONS FROM NUSTAR ENERGY [Abstract]

No definition available.

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- Definition

Amount by which the equity method investee's quarterly distribution must exceed in order for incentive distribution entitlement.

+ References

No definition available.

+ Details

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- Definition

Amount by which the equity method investee's quarterly distribution must exceed in order for maximum incentive distribution entitlement.

+ References

No definition available.

+ Details

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- Definition

Maximum allowable percentage of cash distributed by equity method investee related to incentive distribution rights.

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No definition available.

+ Details

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

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