PARTNERS' EQUITY Table 1 - Cash Distributions - Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Series A Preferred Limited Partner [Member] | ||
| Distribution Made to Preferred Limited Partner [Line Items] | ||
| Preferred units distribution percentage | 8.50% | |
| Preferred unit distribution | $ 0.53125 | |
| Fixed distribution per quarter | $ 4,813 | |
| Series B Preferred Limited Partner [Member] | ||
| Distribution Made to Preferred Limited Partner [Line Items] | ||
| Preferred units distribution percentage | 7.625% | |
| Preferred unit distribution | $ 0.47657 | |
| Fixed distribution per quarter | $ 7,339 | |
| Series C Preferred Limited Partner [Member] | ||
| Distribution Made to Preferred Limited Partner [Line Items] | ||
| Preferred units distribution percentage | 9.00% | |
| Preferred unit distribution | $ 0.56250 | |
| Fixed distribution per quarter | $ 3,881 | |
| Preferred Limited Partner [Member] | ||
| Distribution Made to Preferred Limited Partner [Line Items] | ||
| Fixed distribution per quarter | $ 16,033 | $ 16,033 |