v3.3.1.900

RELATED PARTY TRANSACTIONS Narrative (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2015 USD ($)
Related Party Transaction [Line Items] |  |  |
Payable to related party | $ 15,128 |  | $ 14,799
Long-term payable to related party | 33,537 |  | 32,080
NuStar GP LLC [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Payable to related party | 15,100 |  | 14,800
Long-term payable to related party | $ 33,500 |  | $ 32,100
Axeon [Member] | Terminal Service Agreements [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Number of agreements |  | 4 |
Aggregate Storage Capacity |  | 800,000 |
Annual Service Charge |  | $ 1,500 |
Axeon [Member] | Terminal Service Agreements 2 [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Aggregate Storage Capacity |  | 600,000 |
Annual Service Charge |  | $ 6,300 |
NuStar GP LLC and Axeon [Member] | Services Agreement Between General Partner and Other Related Parties [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Administrative Fees, Description | which provided that NuStar GP, LLC would furnish certain administrative and other operating services necessary to conduct the business of Axeon for an annual fee totaling $10.0 million, subject to adjustment |  |
Administrative Agreement Maturity Date | Jun. 30, 2014 |  |

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