Business acquisition equity interests issued or issuable number of shares originally acquired then sold.

No definition available.

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- Definition

Represents the preferential rights to purchase that were exercised by other working interest owners.

+ References

No definition available.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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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.

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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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- Definition

Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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- Definition

The cash inflow associated with the sale of equity securities classified as available-for-sale securities.

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- Definition

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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DIVESTITURES (Details) - USD ($) $ in Thousands, shares in Millions	1 Months Ended				3 Months Ended	6 Months Ended
	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of oil and natural gas properties				$ 16		$ 41,458
Impairment of oil and gas properties					$ 73,151	99,279
Assets held for sale					87,260	87,260
Liabilities related to assets held for sale					10,618	10,618
Magnolia Oil Gas Parent LLC And Magnolia Oil Gas Corporation [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business acquisition equity interests issued or issuable number of shares originally acquired then sold			4.2
Proceeds from sale of available-for-sale securities, equity			$ 51,700
Mid Continent Area Oil and Gas Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale					10,800	10,800
Liabilities related to assets held for sale					6,100	6,100
Mid Continent Area Oil and Gas Properties [Member] \| Third Party Acquirer [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of oil and natural gas properties	$ 6,500		$ 1,800		2,400
Preferential rights to purchase that were exercised by other working interest owners					900
Impairment of oil and gas properties						1,600
San Juan Property [Member] \| Third Party Acquirer [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of oil and natural gas properties		$ 37,200
Impairment of oil and gas properties						25,600
Barnett Shale Property [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of oil and gas properties						72,100
Assets held for sale					76,500	76,500
Liabilities related to assets held for sale					$ 4,500	$ 4,500
Barnett Shale Property [Member] \| Third Party Acquirer [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of oil and natural gas properties	$ 72,000