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- Definition

Asset Acquisition, Contingent Consideration, Fair Value Disclosure

+ References

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- Definition

The approximate aggregate purchase price per the acquisition agreement.

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- Definition

Number of Producing Wells Sold

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- Definition

Energy measure of oil and natural gas production reserves.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1204
-Subsection Instruction 5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1204
-Subsection Instruction 5

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Area of land held.

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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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

The number of real estate properties owned as of the balance sheet date.

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Acquisitions and divestitures - Narrative (Details) $ in Millions	Apr. 30, 2020 USD ($) a	Apr. 09, 2020 USD ($) a well	Feb. 04, 2020 USD ($) a	Dec. 12, 2019 USD ($) a	Dec. 06, 2019 USD ($) a Boe property	Jun. 20, 2019 USD ($) a	Dec. 31, 2022 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Fair value of contingent consideration	$ 0.2
Howard County Net Acres
Business Acquisition [Line Items]
Area of land (in acres) \| a			80
Glasscock County Net Acres
Business Acquisition [Line Items]
Area of land (in acres) \| a		80
Number of producing wells sold \| well		2
Proceeds after transaction costs		$ 0.7
Howard County Net Acres
Business Acquisition [Line Items]
Area of land (in acres) \| a	180		1,180	7,360
Consideration transferred in acquisition	$ 0.6		$ 22.5	$ 131.7
Fair value of contingent consideration	$ 0.2			$ 6.2
Howard County Net Acres \| Forecast \| WTI NYMEX \| Not designated as hedges \| Oil put: January 2021 - December 2022 \| Crude Oil
Business Acquisition [Line Items]
Notional amount of derivative							$ 1.2
Howard County Net Acres \| Forecast \| WTI NYMEX \| Not designated as hedges \| Oil put: January 2020 - December 2020 \| Crude Oil
Business Acquisition [Line Items]
Notional amount of derivative								$ 20.0
Howard County Net Royalty Acres
Business Acquisition [Line Items]
Area of land (in acres) \| a				750
Reagan County Net Acres
Business Acquisition [Line Items]
Area of land (in acres) \| a						640
Consideration transferred in acquisition						$ 2.9
Acquired evaluated and unevaluated oil and natural gas properties in Glasscock County, Texas
Business Acquisition [Line Items]
Area of land (in acres) \| a					4,475
Production reserve (BOE per day) \| Boe					1,400
Agreed purchase price					$ 64.6
Leasehold interests and Working interests
Business Acquisition [Line Items]
Number of real estate properties \| property					49