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OIL AND NATURAL GAS PROPERTIES (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($) $ / bbl	Jun. 30, 2017 $ / MMBTU $ / bbl	Jun. 30, 2016 USD ($) $ / MMBTU $ / bbl	Dec. 31, 2015 $ / bbl
Ceiling Limitation Disclosures
First day average of the West Texas Intermediate (WTI) crude oil spot price (in dollars per barrel) | $ / bbl			48.95
First day average of the Henry Hub natural gas price (in dollars per Mmbtu) | $ / MMBTU			3.01
Predecessor
Ceiling Limitation Disclosures
First day average of the West Texas Intermediate (WTI) crude oil spot price (in dollars per barrel) | $ / bbl		46.26		43.12
First day average of the Henry Hub natural gas price (in dollars per Mmbtu) | $ / MMBTU				2.24
Full cost ceiling impairment	$ 257,869	$ 496,900		$ 754,769
Full cost ceiling impairment, after tax	$ 163,100	315,100
Percent decrease in the first-day-of-the-month average prices for crude oil				7.00%	8.00%
Average price (in dollars per barrel) | $ / bbl					50.28
Predecessor | Unevaluated Oil and Gas Leaseholds
Oil and Natural Gas Properties
Interest costs capitalized				$ 52,900
Predecessor | Tuscaloosa Marine Shale | Unevaluated Oil and Gas Leaseholds
Oil and Natural Gas Properties
Amount of unevaluated property costs transferred to the full cost pool		74,800
Utica areas | Predecessor | Unevaluated Oil and Gas Leaseholds
Oil and Natural Gas Properties
Amount of unevaluated property costs transferred to the full cost pool		$ 330,400

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Represents the after-tax 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.

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Represents the per unit first day average of the Henry Hub natural gas price for the twelve months ended as of the reporting date.

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Represents the per unit first day average of the West Texas Intermediate (WTI) crude oil spot price.

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Represents the change (as a percent) in the first-day-of-the-month average prices for crude oil used in the ceiling test calculation.

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
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