v3.20.1

Partners' Capital and Distributions (Tables) | 12 Months Ended
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Dec. 31, 2019
Partners' Capital Notes [Abstract] |
Changes In Outstanding Limited Partner Units | The following table details the changes in the number of our common units outstanding from January 1, 2017 through December 31, 2019:
Common units outstanding on January 1, 2017 | 227,783,916
January 2017—Settlement of employee LTIP awards | 216,679
During 2017—Other(a) | 23,961
Common units outstanding on December 31, 2017 | 228,024,556
January 2018—Settlement of employee LTIP awards | 168,913
During 2018—Other(a) | 1,691
Common units outstanding on December 31, 2018 | 228,195,160
February 2019—Settlement of employee LTIP awards | 199,792
During 2019—Other(a) | 8,476
Common units outstanding on December 31, 2019 | 228,403,428
(a) Common units issued to settle the equity-based retainer paid to independent directors of our general partner.
Distributions Made to Limited Partner, by Distribution | Distributions we paid during 2017, 2018 and 2019 were as follows (in thousands, except per unit amount):
Payment Date |  | Per Unit Cash Distribution Amount |  | Total Cash Distribution
2/14/2017 |  | $ | 0.8550 |  |  | $ | 194,961 |
5/15/2017 |  | 0.8725 |  |  | 198,951 |
8/14/2017 |  | 0.8900 |  |  | 202,942 |
11/14/2017 |  | 0.9050 |  |  | 206,362 |
Total |  | $ | 3.5225 |  |  | $ | 803,216 |
2/14/2018 |  | $ | 0.9200 |  |  | $ | 209,940 |
5/15/2018 |  | 0.9375 |  |  | 213,933 |
8/14/2018 |  | 0.9575 |  |  | 218,497 |
11/14/2018 |  | 0.9775 |  |  | 223,061 |
Total |  | $ | 3.7925 |  |  | $ | 865,431 |
2/14/2019 |  | $ | 0.9975 |  |  | $ | 227,832 |
5/15/2019 |  | 1.0050 |  |  | 229,545 |
8/14/2019 |  | 1.0125 |  |  | 231,258 |
11/14/2019 |  | 1.0200 |  |  | 232,971 |
Total |  | $ | 4.0350 |  |  | $ | 921,606 |

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