PARTNERS' EQUITY Table 5 (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 29, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Distribution Made to Limited Partner [Line Items] | ||||||||||||
| Cash distributions per unit applicable to limited partners | $ 1.095 | $ 1.095 | $ 1.095 | $ 1.095 | $ 1.095 | $ 1.095 | $ 1.095 | $ 1.095 | $ 4.380 | $ 4.38 | $ 4.38 | |
| Total cash distributions (distribution earned) | $ 98,051 | $ 98,051 | $ 98,051 | $ 98,051 | $ 392,204 | $ 392,204 | $ 392,204 | |||||
| Distribution date of record (distribution earned) | Feb. 08, 2016 | Nov. 09, 2015 | Aug. 07, 2015 | May 08, 2015 | ||||||||
| Distribution payment date | Feb. 12, 2016 | Nov. 13, 2015 | Aug. 13, 2015 | May 14, 2015 | ||||||||
| Subsequent Event [Member] | ||||||||||||
| Distribution Made to Limited Partner [Line Items] | ||||||||||||
| Distribution announcement date (distribution earned) | Jan. 29, 2016 | |||||||||||