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Unit-based Compensation (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 02, 2018 $ / shares shares | Apr. 30, 2017 | Apr. 30, 2015 | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares | Dec. 31, 2016 USD ($) $ / shares shares
Unit-based Compensation |  |  |  |  |  |  |
Compensation expense | $ |  |  |  |  | $ 6,800 |  |
Cash paid related to net settlement of unit-based awards | $ |  |  |  |  | 4,447 |  |
Phantom units |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Unit-based compensation liability | $ |  |  |  | $ 3,600 | 3,600 |  |
Executive officers, employees and independent directors | Phantom units |  |  |  |  |  |  |
Weighted-Average Grant Date Fair Value per Unit |  |  |  |  |  |  |
Total fair value and intrinsic value of the phantom units vested | $ |  |  |  |  | $ 9,700 | $ 1,600 | $ 1,000
LTIP |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Number of common units that may be delivered pursuant to awards under the plan |  |  |  | 10,000,000 | 10,000,000 |  |
Additional common units available to be awarded |  |  |  | 8,590,000 |  |  |
LTIP | Phantom units |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Percentage of outstanding unvested phantom units that vested upon change in control | 100.00% |  |  |  |  |  |
Percentage of awards vesting | 100.00% |  |  |  |  |  |
Vesting period |  |  |  |  | 3 years |  |
Number of Units |  |  |  |  |  |  |
Granted (in units) |  |  |  |  | 1,136,447 |  |
Vested (in units) |  |  |  |  | (571,892) |  |
Forfeited (in units) | (324,922) |  |  |  | (144,013) |  |
Assumed upon change in control (in units) | 1,010,522 |  |  |  |  |  |
Outstanding, end of period (in units) |  |  |  | 1,431,064 | 1,431,064 |  |
Weighted-Average Grant Date Fair Value per Unit |  |  |  |  |  |  |
Granted (in dollars per unit) | $ / shares |  |  |  |  | $ 15.47 |  |
Vested (in dollars per unit) | $ / shares |  |  |  |  | 14.79 |  |
Forfeited (in dollars per unit) | $ / shares | $ 27.10 |  |  |  | 17.85 |  |
Assumed upon change in control (in dollars per unit) | $ / shares | 14.24 |  |  |  |  |  |
Outstanding, end of period (in dollars per unit) | $ / shares |  |  |  | $ 14.98 | $ 14.98 |  |
Unrecognized compensation cost associated with phantom unit awards | $ |  |  |  | $ 15,000 | $ 15,000 |  |
Weighted-average period over which the unrecognized compensation cost is expected to be recognized |  |  |  |  | 2 years 2 months 12 days |  |
LTIP | Phantom units | Vesting at the end of the third year of service |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Percentage of outstanding unvested phantom units that vested upon change in control |  |  |  |  | 60.00% |  |
Percentage of awards vesting |  |  |  |  | 60.00% |  |
LTIP | Phantom units | Vesting at the end of the fifth year of service |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Percentage of outstanding unvested phantom units that vested upon change in control |  |  |  |  | 40.00% |  |
Percentage of awards vesting |  |  |  |  | 40.00% |  |
LTIP | Executive officers, employees and independent directors |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Cash paid related to net settlement of unit-based awards | $ |  |  |  |  | $ 4,400 | 600 | 900
LTIP | Executive officers, employees and independent directors | Phantom units |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Compensation expense | $ |  |  |  |  | $ 11,700 | $ 4,000 | $ 3,500
Number of Units |  |  |  |  |  |  |
Granted (in units) |  |  |  |  | 1,136,447 |  |
LTIP | Employees | Phantom units |  |  |  |  |  |  |
Number of Units |  |  |  |  |  |  |
Vested (in units) |  |  |  |  | (563,544) |  |
ETP | Sunoco Logistics Partners L.P. |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Unit-for unit exchange ratio |  | 1.5 |  |  |  |  |
ETP | Regency Energy Partners L.P. |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Unit-for unit exchange ratio |  |  | 0.4124 |  |  |  |
Predecessor | LTIP | Phantom units |  |  |  |  |  |  |
Number of Units |  |  |  |  |  |  |
Outstanding, beginning of period (in units) |  |  |  |  | 324,922 | 429,535 | 334,354
Granted (in units) |  |  |  |  |  | 2,500 | 147,384
Vested (in units) |  |  |  |  |  | (95,499) | (42,964)
Forfeited (in units) |  |  |  |  |  | (11,614) | (9,239)
Outstanding, end of period (in units) |  |  |  |  |  | 324,922 | 429,535
Weighted-Average Grant Date Fair Value per Unit |  |  |  |  |  |  |
Outstanding, beginning of period (in dollars per unit) | $ / shares |  |  |  |  | $ 27.10 | $ 29.34 | $ 32.98
Granted (in dollars per unit) | $ / shares |  |  |  |  |  | 18.75 | 24.22
Vested (in dollars per unit) | $ / shares |  |  |  |  |  | 36.94 | 40.28
Forfeited (in dollars per unit) | $ / shares |  |  |  |  |  | 27.41 | 28.58
Outstanding, end of period (in dollars per unit) | $ / shares |  |  |  |  |  | $ 27.10 | $ 29.34
Predecessor | ETP | Employees |  |  |  |  |  |  |
Unit-based Compensation |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 5 years |

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