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Acquisitions and Disposal of Assets (Details) - USD ($) $ in Thousands			9 Months Ended
	Sep. 10, 2020	Aug. 31, 2020	Sep. 30, 2020
Assets and Liabilities Held for Sale [Line Items]
Acquisition of assets			$ 3,276
Royalty Interest of Wells from SandRidge Mississippian Trust II
Assets and Liabilities Held for Sale [Line Items]
Acquisition of assets	$ 3,300
Royalty Interest of Wells from SandRidge Mississippian Trust II | SandRidge Mississippian Trust
Assets and Liabilities Held for Sale [Line Items]
Ownership percentage	37.60%
Disposal Group, Held-for-sale, Not Discontinued Operations | Corporate Headquarters Building
Assets and Liabilities Held for Sale [Line Items]
Proceeds from sale of buildings		$ 35,400

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Assets and Liabilities Held for Sale

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Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
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The cash inflow from sale of buildings.

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-Topic 230
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