v2.4.0.8

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Summary of Significant Accounting Policies [Line Items] |  |
Cash equivalents maximum maturity period, in months | 3 |
Intangible assets, useful life, minimum, in years | 10 years |
Intangible assets, useful life, maximum, in years | 47 years |
Unrecognized tax benefits | $ 0 | $ 0
Tax years subject to examination | For U.S. federal and state purposes, tax years subject to examination are 2009 through 2013 and for our major non-U.S. jurisdictions, tax years subject to examination are 2009 through 2013, both according to standard statute of limitations. NuStar has waived the statute of limitations for limited items for the tax years 2006 and 2007 as a result of an income tax audit in Canada that is currently being appealed in the Tax Court of Canada. |
Asset retirement obligation | 600,000 | 600,000
Environmental remediation costs, time period used, in years | 20 |
Forward-starting interest rate swaps, description of variable rate basis | three month USD LIBOR |
Limited Partners Ownership Interest | 98.00% |
General Partner Ownership Interest of Limited Partnership | 2.00% |
Asphalt JV [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Maximum amount available under credit facility to related party | $ 250,000,000 |
Equity method investment, ownership percentage | 50.00% |

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- Definition The time frame used to determine environmental costs accrued. + References No definition available. + Details
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- Definition Maximum useful life of finite-lived intangible assets, 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 Minimum useful life of finite-lived intangible assets, 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 Maximum Amount Available underCredit Facility to Related Party + References No definition available. + Details
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- Definition Tax year that remains open to examination under enacted tax laws + References No definition available. + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Asset Retirement Obligation -URI http://asc.fasb.org/extlink&oid=6505190 + Details
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- Definition The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition The number of units or percentage investment held by one or more members or limited partners of the LLC or 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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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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