Annual discount rate for discounting future cash flows.

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- Definition

The calculated weighted average natural gas price per mcf utilized for purposes of estimating the company's proved reserves and future net revenue.

+ References

No definition available.

+ Details

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- Definition

The calculated weighted average natural gas liquids price per barrel utilized for purposes of estimating the company's proved reserves and future net revenue.

+ References

No definition available.

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- Definition

The calculated weighted average oil price per barrel utilized for purposes of estimating the company's proved reserves and future net revenue.

+ References

No definition available.

+ Details

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- Definition

The amount the impairment of oil and gas properties was decreased as a result of hedges in place for oil and gas producing companies subject to full cost accounting.

+ References

No definition available.

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- Definition

Percentage of Proved Oil and Natural Gas Reserves

+ References

No definition available.

+ Details

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- Definition

Probable And Possible Oil And Gas Reserve, Value

+ References

No definition available.

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- Definition

The period of time in which unproved oil and gas properties/projects are expected to be evaluated and included in the amortization base for oil and gas properties.

+ References

No definition available.

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- Definition

Proved Oil and Gas Reserve, Value

+ References

No definition available.

+ Details

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- Definition

The number of unproved oil and gas properties/projects associated with capitalized costs excluded from amortization.

+ References

No definition available.

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- Definition

Unevaluated Oil And Gas Properties Reserve, Value

+ References

No definition available.

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- Definition

The amount of asset retirement costs previously incurred and capitalized separately from the capitalized amount of the associated long-lived assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447

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- Definition

The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 360
-Section 35
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66906256&loc=d3e66150-109466

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to revision of a previous estimate resulting from new information, except for an increase in proved acreage, or change in economic factors, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61831-109447

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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SUPPLEMENTAL INFORMATION ON OIL AND NATURAL GAS OPERATIONS - UNAUDITED - Additional Information (Details) $ in Thousands		1 Months Ended	2 Months Ended	3 Months Ended							10 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($) $ / bbl $ / Mcf	Mar. 31, 2017 USD ($) $ / bbl $ / Mcf	Feb. 28, 2017 USD ($)	Dec. 31, 2017 USD ($) project $ / bbl	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) $ / bbl $ / Mcf	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2017 USD ($) project $ / bbl	Dec. 31, 2017 USD ($) Bcfe project $ / bbl	Dec. 31, 2016 USD ($) Bcfe $ / bbl $ / Mcf	Dec. 31, 2015 USD ($) Bcfe $ / bbl $ / Mcf	Mar. 01, 2017 $ / bbl $ / Mcf
Reserve Quantities [Line Items]
Asset retirement costs included in development cost				$ (17,446)							$ (17,446)	$ (17,446)
Write-down of oil and gas properties		$ 256,435		$ 0	$ 0	$ 0					$ 256,435
Average 12-month oil prices net of differentials \| $ / bbl		45.40		50.05							50.05	50.05			56.01
Average 12-month gas prices net of differentials \| $ / Mcf	2.34	2.24					2.34						2.34		2.52
Average 12-month natural gas liquids prices net of differentials \| $ / bbl	22.90						22.90						22.90
Specifically identified drilling projects \| project				34							34	34
Projects expected to be evaluated											4 years
Annual discount rate for discounting future cash flows											10.00%
Predecessor
Reserve Quantities [Line Items]
Proved reserves			$ 380,800
Probable and possible reserves			16,800
Unevaluated properties reserves			80,200
Asset retirement costs included in development cost	$ (4,461)		0				$ (4,461)						$ (4,461)	$ (43,901)
Write-down of oil and gas properties			$ 0				$ 73,094	$ 36,484	$ 118,649	$ 129,204			$ 357,431	$ 1,362,447
Average 12-month oil prices net of differentials \| $ / bbl	40.15						40.15						40.15	51.16
Average 12-month gas prices net of differentials \| $ / Mcf	1.71						1.71						1.71	2.19
Average 12-month natural gas liquids prices net of differentials \| $ / bbl	9.46						9.46						9.46	16.40
Decrease in written down value of oil and gas properties													$ 50,700	$ 143,900
Percentage of proved oil and natural gas reserves	34.00%
Scenario, Adjustment
Reserve Quantities [Line Items]
Revisions of previous estimates \| Bcfe													15	(95)
Well Performance \| Scenario, Adjustment
Reserve Quantities [Line Items]
Revisions of previous estimates \| Bcfe												4	(6)	7
Appalachia Drilling Program \| Scenario, Adjustment
Reserve Quantities [Line Items]
Revisions of previous estimates \| Bcfe												17
Gold of Mexico Basin
Reserve Quantities [Line Items]
Percentage of proved oil and natural gas reserves											100.00%
NGLs (MBbls)
Reserve Quantities [Line Items]
Average 12-month gas prices net of differentials \| $ / bbl		19.18													14.18