v3.19.3.a.u2

Equity compensation plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Equity compensation plans |
Schedule of changes in outstanding LTIP notional units |
|  |  |  | Grant Date |
|  |  |  | Weighted-Average |
|  | Notional Shares |  | Fair Value per Notional Share |
Outstanding at December 31, 2016 |  | 2,101,118 |  | $ | 2.08 |
Granted |  | 1,817,463 |  |  | 2.38 |
Vested and redeemed |  | (1,009,780) |  |  | 2.22 |
Forfeitures |  | (24,227) |  |  | 2.32 |
Outstanding at December 31, 2017 |  | 2,884,574 |  |  | 2.22 |
Granted |  | 2,483,237 |  |  | 2.02 |
Vested and redeemed |  | (1,388,671) |  |  | 2.22 |
Forfeitures |  | (26,939) |  |  | 2.09 |
Outstanding at December 31, 2018 |  | 3,952,201 |  |  | 2.09 |
Granted |  | 1,724,081 |  |  | 2.72 |
Vested and redeemed |  | (2,071,335) |  |  | 2.10 |
Forfeitures |  | (26,855) |  |  | 2.17 |
Outstanding at December 31, 2019 |  | 3,578,092 |  | $ | 2.38 |

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