Amount of debt instrument sold agreements to repurchase the principal.

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The percentage of ownership interest disposed of in disposal group including discontinued operations.

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Represents loss on the repurchase for the make whole premium paid.

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Represents loss on write off of discount on notes.

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Represents the number of subsidiaries.

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The cash inflow (outflow) to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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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.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.

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ACQUISITIONS AND DIVESTITURES - Divestitures (Details) $ in Thousands						4 Months Ended	8 Months Ended	12 Months Ended
	Nov. 09, 2017 USD ($)	Sep. 19, 2017 USD ($)	Jul. 10, 2017 USD ($) subsidiary	Jan. 24, 2017 USD ($)	Jan. 01, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 09, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Oct. 07, 2017	Sep. 07, 2017 USD ($)	Feb. 16, 2017 USD ($)	Sep. 30, 2016	Jun. 09, 2016	Dec. 21, 2015 USD ($)
Divestitures
Proceeds received from sales of oil and natural gas assets						$ 888		$ 3,816	$ 2,003,894
Gain (loss) on extinguishment of debt									(114,931)
Proceeds received from sale of other operating property and equipment								216,083	21,798
Gain (loss) from sale of other operating property and equipment								(7,235)	721,573
12.0% senior secured second lien notes due 2022
Divestitures
Interest rate (as a percent)										12.00%
Gain (loss) on extinguishment of debt									(29,200)
Loss on the repurchase for the make whole premium									23,000
Loss on the write-off of the discount on notes									6,200
6.75% senior notes due 2025
Divestitures
Repurchase amount of outstanding principal			$ 425,000
Aggregate principal amount drawn			$ 850,000					$ 625,005	$ 425,005		$ 850,000	$ 850,000
Interest rate (as a percent)			6.75%					6.75%	6.75%			6.75%
Gain (loss) on extinguishment of debt									$ (28,900)
Loss on the write-off of the discount on notes									8,300
Gain on sale of oil and natural gas assets
Divestitures
Gain (loss) from sale of other operating property and equipment			$ 0	$ 0
Williston Basin Assets
Divestitures
Gain (loss) from sale of other operating property and equipment			0					$ (7,200)	485,900
Williston Basin Assets \| Other operating property and equipment
Divestitures
Proceeds received from sales of oil and natural gas assets			1,390,000
Proceeds received from sale of other operating property and equipment			$ 10,900
Williston Basin Assets \| Disposal Group Disposed of by Sale
Divestitures
Ownership percentage disposed			100.00%
Number of subsidiaries \| subsidiary			2
Proceeds received from sales of oil and natural gas assets			$ 1,400,000
El Halcon Assets
Divestitures
Gain (loss) from sale of other operating property and equipment				0
El Halcon Assets \| Other operating property and equipment
Divestitures
Proceeds received from sales of oil and natural gas assets				484,100
Proceeds received from sale of other operating property and equipment					$ 10,200
El Halcon Assets \| Gain on sale of oil and natural gas assets
Divestitures
Gain (loss) from sale of other operating property and equipment									$ 235,700
El Halcon Assets \| Disposal Group Disposed of by Sale
Divestitures
Proceeds from sales of interests				$ 491,100
Companys Existing Wholly Owned Subsidiaries Other Than HK TMS \| HK TMS
Divestitures
Ownership percentage in subsidiaries													100.00%
Non-operating owner \| Williston Basin Assets
Divestitures
Proceeds from sales of interests		$ 103,400
Gain (loss) on sale	$ 0
Predecessor
Divestitures
Interest rate (as a percent)														13.00%
Proceeds received from sales of oil and natural gas assets							$ (407)
Gain (loss) on extinguishment of debt							81,434
Proceeds received from sale of other operating property and equipment							$ 138
Predecessor \| 12.0% senior secured second lien notes due 2022
Divestitures
Aggregate principal amount drawn															$ 112,800
Interest rate (as a percent)															12.00%