SUBSEQUENT EVENTS (Details) - Subsequent Event - Settlement Agreement with AES and NuDevco $ in Millions |
3 Months Ended |
|---|---|
|
Mar. 30, 2016
USD ($)
shares
| |
| Subsequent Events | |
| Letter of credit, amount issued due to contract default | $ | $ 15.0 |
| NuDevco | |
| Subsequent Events | |
| Number of IDR units to be surrendered (in shares) | 10 |
| NuDevco | Subordinate Units | |
| Subsequent Events | |
| Number of limited partner units to be surrendered (in shares) | 8,724,545 |
| NuDevco | Common Units | |
| Subsequent Events | |
| Number of limited partner units to be surrendered (in shares) | 1,939,265 |