v3.8.0.1

PARTNERS' EQUITY Table 2 - Preferred Partners' Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Preferred limited partners capital, beginning balance |  |  |  | $ 218,400 |  |  |  |  | $ 218,400 |  |
Net income (loss) | $ 25,182 | $ 38,592 | $ 26,250 | 57,940 | $ (11,056) | $ 51,141 | $ 52,517 | $ 57,401 | 147,964 | $ 150,003 | $ 306,720
Distributions to partners |  |  |  |  |  |  |  |  | (486,754) | (394,887) | (392,204)
Other |  |  |  |  |  |  |  |  | (679) |  |
Preferred limited partners capital, ending balance | 756,603 |  |  |  | 218,400 |  |  |  | 756,603 | 218,400 |
Series A Preferred Limited Partner [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred limited partners capital, beginning balance |  |  |  | 218,400 |  |  |  | 0 | 218,400 | 0 |
Net proceeds from issuance of units |  |  |  |  |  |  |  |  | 0 | 218,400 |
Net income (loss) |  |  |  |  |  |  |  |  | 19,253 | 1,925 |
Distributions to partners |  |  |  |  |  |  |  |  | (19,253) | (1,925) |
Other |  |  |  |  |  |  |  |  | (93) |  |
Preferred limited partners capital, ending balance | 218,307 |  |  |  | 218,400 |  |  |  | 218,307 | 218,400 | 0
Series B Preferred Limited Partner [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred limited partners capital, beginning balance |  |  |  | 0 |  |  |  | 0 | 0 | 0 |
Net proceeds from issuance of units |  |  |  |  |  |  |  |  | 371,823 | 0 |
Net income (loss) |  |  |  |  |  |  |  |  | 19,815 | 0 |
Distributions to partners |  |  |  |  |  |  |  |  | (19,815) | 0 |
Other |  |  |  |  |  |  |  |  | (189) |  |
Preferred limited partners capital, ending balance | 371,634 |  |  |  | 0 |  |  |  | 371,634 | 0 | 0
Series C Preferred Limited Partner [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred limited partners capital, beginning balance |  |  |  | 0 |  |  |  | 0 | 0 | 0 |
Net proceeds from issuance of units |  |  |  |  |  |  |  |  | 166,737 | 0 |
Net income (loss) |  |  |  |  |  |  |  |  | 1,380 | 0 |
Distributions to partners |  |  |  |  |  |  |  |  | (1,380) | 0 |
Other |  |  |  |  |  |  |  |  | (75) |  |
Preferred limited partners capital, ending balance | 166,662 |  |  |  | 0 |  |  |  | 166,662 | 0 | 0
Preferred Limited Partner [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred limited partners capital, beginning balance |  |  |  | $ 218,400 |  |  |  | $ 0 | 218,400 | 0 |
Net proceeds from issuance of units |  |  |  |  |  |  |  |  | 538,560 | 218,400 |
Net income (loss) |  |  |  |  |  |  |  |  | 40,448 | 1,925 | 0
Distributions to partners |  |  |  |  |  |  |  |  | (40,448) | (1,925) | 0
Other |  |  |  |  |  |  |  |  | (357) |  |
Preferred limited partners capital, ending balance | $ 756,603 |  |  |  | $ 218,400 |  |  |  | $ 756,603 | $ 218,400 | $ 0

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