v3.3.1.900

DEBT Narrative (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Debt Instrument [Line Items] |  |  |
Interest payments | $ 138,900 | $ 135,000 | $ 118,300
Amount outstanding | 3,079,349 | 2,749,452 |
Short-term debt | 84,000 | 77,000 |
$1.5 billion revolving credit agreement |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity | $ 1,500,000 |  |
Term | 5 years |  |
Maturity Date | Oct. 29, 2019 |  |
Line of Credit Facility, Commitment Fee Amount | The Revolving Credit Agreement includes an option allowing NuStar Logistics to request an aggregate increase in the commitments from the lenders of up to $250.0 million (after which increase the aggregate commitment from all lenders shall not exceed $1.75 billion) |  |
Maximum available for Euro borrowings | $ 250,000 |  |
Maximum available for British Pound Borrowings | $ 250,000 |  |
Interest rate at period end | 2.10% |  |
Interest rate during period | 2.00% |  |
Covenant terms | The Revolving Credit Agreement contains customary restrictive covenants, such as limitations on indebtedness, liens, mergers, asset transfers and certain investing activities. In addition, the Revolving Credit Agreement requires us to maintain, as of the end of each rolling period of four consecutive fiscal quarters, a consolidated debt coverage ratio (consolidated debt to consolidated EBITDA, each as defined in the Revolving Credit Agreement) not to exceed 5.00-to-1.00. If we consummate an acquisition for an aggregate net consideration of at least $50.0 million, the maximum consolidated debt coverage ratio will increase to 5.50-to-1.00 for two rolling periods. |  |
Debt coverage ratio | 4.5 |  |
Current remaining borrowing capacity | $ 587,300 |  |
Letters of credit issued | 30,100 |  |
Maximum letters of credit allowed | 750,000 |  |
Line of Credit Facility, Maximum Letters of Credit Available for Euro Borrowings | 25,000 |  |
Line of Credit Facility, Maximum Letters of Credit Available for British Borrowings | 25,000 |  |
Amount outstanding | $ 882,664 | 601,496 |
4.75% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Feb. 01, 2022 |  |
Amount outstanding | $ 250,000 | 250,000 |
Stated interest rate | 4.75% |  |
6.75 % senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Feb. 01, 2021 |  |
Amount outstanding | $ 300,000 | 300,000 |
Stated interest rate | 6.75% |  |
4.80% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Sep. 01, 2020 |  |
Amount outstanding | $ 450,000 | 450,000 |
Stated interest rate | 4.80% |  |
7.65% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Mar. 15, 2018 |  |
Amount outstanding | $ 350,000 | 350,000 |
Stated interest rate | 7.65% |  |
Interest rate terms | The interest rate payable on the 7.65% senior notes is subject to adjustment if our debt rating is downgraded (or upgraded) by certain credit rating agencies |  |
Debt Instrument, Interest Rate, Effective Percentage | 8.20% |  |
7.625% subordinated notes |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Jan. 15, 2043 |  |
Amount outstanding | $ 402,500 | 402,500 |
Stated interest rate | 7.625% |  |
Interest rate terms | The Subordinated Notes bear interest at a fixed annual rate of 7.625%, payable quarterly in arrears beginning on April 15, 2013 and ending on January 15, 2018. Thereafter, the Subordinated Notes will bear interest at an annual rate equal to the sum of the three-month LIBOR rate for the related quarterly interest period, plus 6.734% payable quarterly, commencing April 15, 2018, unless payment is deferred in accordance with the terms of the notes. NuStar Logistics may elect to defer interest payments on the Subordinated Notes on one or more occasions for up to five consecutive years. |  |
Gulf Opportunity Zone revenue bonds |  |  |
Debt Instrument [Line Items] |  |  |
Letters of credit issued | $ 370,246 |  |
Amount outstanding | 365,440 | 365,440 |
Amount Received From Trustee | 17,500 | 11,900 |
Receivables Financing Agreement |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity | $ 125,000 |  |
Maturity Date | Jun. 15, 2018 |  |
Amount outstanding | $ 53,500 | $ 0 |
Line of Credit Facility, Borrowing Capacity, Description | The maximum amount available for borrowing by NuStar Finance under the Receivables Financing Agreement is $125.0 million, with an option for NuStar Finance to request an increase of up to $75.0 million from the lenders (for aggregate total borrowings not to exceed $200.0 million). The amount available for borrowing is based on the availability of eligible receivables and other customary factors and conditions. |  |
Debt Instrument, Maturity Date, Description | The Securitization Program has an initial termination date of June 15, 2018, with the option to renew for additional 364-day periods thereafter. |  |
Debt Instrument, Collateral Amount | $ 97,900 |  |
Average Annual Interest Rate | 1.10% |  |
Short-term lines of credit |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity | $ 105,000 |  |
Interest rate at period end | 1.90% | 1.80% |
Short-term debt | $ 84,000 |  |

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