SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands |
2 Months Ended | 7 Months Ended | 9 Months Ended | |
|---|---|---|---|---|
Feb. 28, 2015 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Supplemental disclosures: | ||||
| Cash paid for interest | $ 8,385 | $ 7,294 | ||
| Cash paid for income taxes | 39 | 225 | ||
| Supplemental non-cash investing and financing activities: | ||||
| Elimination of intangible assets per the assignment of common and subordinated units and IDR Units from NuDevco to the Partnership | 28,745 | |||
| Recording of treasury units per the assignment of common and subordinated units and IDR Units from NuDevco to the Partnership | $ (13,745) | |||
| Parent company net contribution associated with the Legacy System | 2,754 | |||
| Parent company net contribution associated with the ETG System | $ 2,278 | |||
| Deemed contribution associated with the Transactions | $ 126,481 | $ 50,219 | ||