Acquisitions and divestitures (2015 Divestitures) - Additional Information (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Predecessor | SCOOP play | |
| Long Lived Assets Held For Sale [Line Items] | |
| Proceeds from sale of various non-core oil and gas properties | $ 36,654 |