v3.8.0.1

PARTNERS' EQUITY Table 7 - Cash Distributions - Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 29, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017
Subsequent Event [Member] |  |  |  |  |  |
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |
Distribution announcement date, preferred units (distribution earned) | Jan. 29, 2018 |  |  |  |  |
Series A Preferred Limited Partner [Member] |  |  |  |  |  |
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |
Preferred unit distribution paid |  |  | $ 0.53125 | $ 0.53125 | $ 0.53125 | $ 0.64930556
Cash distributions applicable to preferred limited partners |  |  | $ 4,813 | $ 4,813 | $ 4,813 | $ 5,883
Distribution date of record |  |  | Dec. 01, 2017 | Sep. 01, 2017 | Jun. 01, 2017 | Mar. 01, 2017
Distribution payment date |  |  | Dec. 15, 2017 | Sep. 15, 2017 | Jun. 15, 2017 | Mar. 15, 2017
Series A Preferred Limited Partner [Member] | Subsequent Event [Member] |  |  |  |  |  |
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |
Preferred unit distribution declared |  | $ 0.53125 |  |  |  |
Cash distributions applicable to preferred limited partners |  | $ 4,813 |  |  |  |
Distribution date of record |  | Mar. 01, 2018 |  |  |  |
Distribution payment date |  | Mar. 15, 2018 |  |  |  |
Series B Preferred Limited Partner [Member] |  |  |  |  |  |
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |
Preferred unit distribution paid |  |  | $ 0.47657 | $ 0.725434028 |  |
Cash distributions applicable to preferred limited partners |  |  | $ 7,339 | $ 11,172 |  |
Distribution date of record |  |  | Dec. 01, 2017 | Sep. 01, 2017 |  |
Distribution payment date |  |  | Dec. 15, 2017 | Sep. 15, 2017 |  |
Series B Preferred Limited Partner [Member] | Subsequent Event [Member] |  |  |  |  |  |
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |
Preferred unit distribution declared |  | $ 0.47657 |  |  |  |
Cash distributions applicable to preferred limited partners |  | $ 7,339 |  |  |  |
Distribution date of record |  | Mar. 01, 2018 |  |  |  |
Distribution payment date |  | Mar. 15, 2018 |  |  |  |
Series C Preferred Limited Partner [Member] | Subsequent Event [Member] |  |  |  |  |  |
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |
Preferred unit distribution declared |  | $ 0.65625 |  |  |  |
Cash distributions applicable to preferred limited partners |  | $ 4,528 |  |  |  |
Distribution date of record |  | Mar. 01, 2018 |  |  |  |
Distribution payment date |  | Mar. 15, 2018 |  |  |  |

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