Property Acquisitions - Additional Information (Details)
$ in Thousands |
|
1 Months Ended |
3 Months Ended |
9 Months Ended |
|
Jun. 08, 2017
USD ($)
a
Wells
|
Dec. 31, 2016
USD ($)
a
Wells
|
Mar. 31, 2017
USD ($)
|
Sep. 30, 2017
USD ($)
|
| Business Acquisition [Line Items] |
|
|
|
|
| Acquisition of oil and natural gas properties |
|
|
|
$ (419,471)
|
| Unproved properties acquired |
|
$ 1,905,661
|
|
2,008,902
|
| Proved properties |
|
605,853
|
|
1,306,873
|
| Payable to Silverback |
|
$ 32,293
|
|
0
|
| Undeveloped Acreage and Oil and Gas Producing Properties From Silverback Exploration, LLC |
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
| Number of horizontal wells acquired (in wells) | Wells |
|
31
|
|
|
| Gas and oil area, area offset by existing acreage (in acres) | a |
|
35,500
|
|
|
| Gas and oil area, gross offset existing acreage (in acres) | a |
|
43,500
|
|
|
| Gas and oil area, operated by company, percent |
|
90.00%
|
|
|
| Gas and oil area, working interest, percent |
|
90.00%
|
|
|
| Consideration transferred |
|
$ 855,000
|
$ 867,772
|
|
| Payable to Silverback |
|
$ 32,300
|
|
|
| Adjustments to provisional amount |
|
|
|
$ 300
|
| Northern Delaware Basin |
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
| Number of horizontal wells acquired (in wells) | Wells |
36
|
|
|
|
| Gas and oil area, area offset by existing acreage (in acres) | a |
11,850
|
|
|
|
| Gas and oil area, gross offset existing acreage (in acres) | a |
14,770
|
|
|
|
| Acquisition of oil and natural gas properties |
$ (349,100)
|
|
|
|
| Gas and oil area, operated by company, percent |
79.00%
|
|
|
|
| Gas and oil area, working interest, percent |
85.00%
|
|
|
|
| Proved properties |
$ 53,200
|
|
|
|
| Capitalized transaction costs |
500
|
|
|
|
| Northern Delaware Basin | Scenario, Previously Reported |
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
| Acquisition of oil and natural gas properties |
(350,000)
|
|
|
|
| Northern Delaware Basin | Restatement Adjustment |
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
| Acquisition of oil and natural gas properties |
900
|
|
|
|
| Unproved properties acquired |
$ 296,200
|
|
|
|