v3.19.3.a.u2

SERIES D CUMULATIVE CONVERTIBLE PREFERRED UNITS Narrative 2 (Details) - Series D Preferred Limited Partner [Member] - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |
Unpaid dividend penalty, per unit dividend increase |  | $ 0.048
Unpaid dividend penalty, preferred stock, conversion basis |  | if we fail to pay in full any Series D Preferred Unit distribution amount for three consecutive distribution periods, then until we pay such distributions in full: (i) each holder of the Series D Preferred Units may elect to convert its Series D Preferred Units into common units on a one-for-one basis, plus any unpaid Series D distributions
Unpaid dividend penalty, minimum amount of acquisitions or asset sales requiring consent |  | $ 50.0
Preferred Stock, Distributions, Period - June 29, 2018 to June 28, 2020 [Member] |  |
Class of Stock [Line Items] |  |
Preferred units distribution percentage |  | 9.75%
Preferred stock, dividend rate, amount per annum |  | $ 57.6
Preferred Stock, Distributions, Period - June 29, 2020 to June 28, 2023 [Member] |  |
Class of Stock [Line Items] |  |
Preferred units distribution percentage |  | 10.75%
Preferred stock, dividend rate, amount per annum |  | $ 63.4
Preferred Stock, Distributions, Period - June 29, 2023 and thereafter [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, dividend rate, amount per annum |  | $ 81.1
Preferred unit, distribution payment rate, variable description |  | the greater of 13.75% per annum ($81.1 million per annum) or the distribution per common unit thereafter
Preferred Stock Distributions, Period - June 16, 2019 and thereafter [Member] |  |
Class of Stock [Line Items] |  |
Required amount of per unit cash dividends to permit dividend paid in kind |  | $ 0.635
Minimum [Member] | Preferred Stock, Distributions, Period - June 29, 2023 and thereafter [Member] |  |
Class of Stock [Line Items] |  |
Preferred units distribution percentage |  | 13.75%
Subsequent Event [Member] |  |
Class of Stock [Line Items] |  |
Cash distributions per unit applicable to limited partners | $ 0.619 |

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