EQUITY COMPENSATION (Tables)
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9 Months Ended |
Sep. 30, 2017 |
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
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Schedule of equity-based compensation expense, net of assumed forfeitures |
Equity-based compensation expense, net of forfeitures is included in the following table: | | | | | | | | | | | | | | | | | | For the Three Months Ended September 30, | | For the Nine Months Ended September 30, | | 2017 | | 2016 | | 2017 | | 2016 | Restricted units | $ | 14,555 |
| | $ | 5,350 |
| | $ | 40,375 |
| | $ | 14,797 |
| Options | 3,224 |
| | 2,693 |
| | 10,637 |
| | 11,153 |
| Phantom units | 312 |
| | 433 |
| | 1,085 |
| | 1,235 |
| Equity-based compensation expense | $ | 18,091 |
| | $ | 8,476 |
| | $ | 52,097 |
| | $ | 27,185 |
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Summary of unvested restricted units' activity |
The following table presents unvested restricted units’ activity during the nine months ended September 30, 2017: | | | | | | | | | Restricted Units | | Weighted Average Grant Date Fair Value Per Unit | Balance - January 1, 2017 | 8,058,372 |
| | $ | 16.38 |
| Granted | 7,944,144 |
| | 18.61 |
| Vested | (1,833,422 | ) | | 16.56 |
| Forfeited | (426,238 | ) | | 17.82 |
| Balance - September 30, 2017 | 13,742,856 |
| | $ | 17.58 |
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Summary of unvested options activity |
A summary of options activity during the nine months ended September 30, 2017 is presented below: | | | | | | | | | | | | | | | Options | | Weighted Average Exercise Price | | Weighted Average Remaining Life (in years) | | Aggregate Intrinsic Value | Balance - January 1, 2017 | 22,232,134 |
| | $ | 18.99 |
| | 7.35 | | | Granted | — |
| | — |
| | — | | | Exercised | (54,500 | ) | | 19.00 |
| | — | | | Expired | (433,609 | ) | | 19.00 |
| | — | | | Forfeited | (721,101 | ) | | 19.00 |
| | — | | | Balance - September 30, 2017 | 21,022,924 |
| | $ | 18.99 |
| | 6.56 | | $ | — |
| Exercisable at September 30, 2017 | 7,106,989 |
| | $ | 19.00 |
| | 6.56 | | $ | — |
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Summary of unvested phantom units activity |
A summary of unvested phantom unit activity during the nine months ended September 30, 2017 is presented below: | | | | | | | | | | | Phantom Units | | Weighted Average Grant Date Fair Value Per Unit | Balance - January 1, 2017 | | 266,138 |
| | $ | 19.00 |
| Vested | | (87,222 | ) | | 19.00 |
| Forfeited | | (20,872 | ) | | 19.00 |
| Balance - September 30, 2017 | | 158,044 |
| | $ | 19.00 |
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