| Schedule of Net (Loss) Income Per Common Unit |
The following table details the calculation of net (loss) income per common unit: | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | 2018 | | 2017 | | 2018 | | 2017 | | (Thousands of Dollars, Except Unit and Per Unit Data) | Net income | $ | 48,136 |
| | $ | 38,592 |
| | $ | 203,668 |
| | $ | 122,782 |
| Distributions to preferred limited partners | (29,881 | ) | | (12,153 | ) | | (62,116 | ) | | (26,916 | ) | Distributions to general partner (including incentive distribution rights) | — |
| | (13,214 | ) | | (1,141 | ) | | (41,683 | ) | Distributions to common limited partners | (64,248 | ) | | (101,870 | ) | | (184,369 | ) | | (305,652 | ) | Distribution equivalent rights to restricted units | (473 | ) | | (707 | ) | | (1,398 | ) | | (2,134 | ) | Distributions in excess of earnings | $ | (46,466 | ) |
| $ | (89,352 | ) |
| $ | (45,356 | ) |
| $ | (253,603 | ) | | | | | | | | | Distributions to common limited partners | $ | 64,248 |
| | $ | 101,870 |
| | $ | 184,369 |
| | $ | 305,652 |
| Allocation of distributions in excess of earnings | (46,466 | ) | | (87,565 | ) | | (45,378 | ) | | (248,531 | ) | Series D Preferred Unit accretion (refer to Note 11) | (4,031 | ) | | — |
| | (4,031 | ) | | — |
| Loss to common unitholders attributable to the
Merger (refer to Note 2) | (377,079 | ) | | — |
| | (377,079 | ) | | — |
| Net (loss) income attributable to common units: | $ | (363,328 | ) | | $ | 14,305 |
| | $ | (242,119 | ) | | $ | 57,121 |
| | | | | | | | | Basic weighted-average common units outstanding | 104,264,796 |
| | 93,031,320 |
| | 96,920,202 |
| | 87,392,597 |
| | | | | | | | | Basic net (loss) income per common unit | $ | (3.49 | ) | | $ | 0.15 |
| | $ | (2.50 | ) | | $ | 0.65 |
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