SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Supplemental disclosures: | ||
| Cash paid for interest | $ 5,121 | $ 5,627 |
| Cash paid for income taxes | 30 | 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) | |
| Capital expenditures included in accounts payable and accrued liabilities | $ 34 | 84 |
| 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 | |