Represents the assumption of capital commitments in a joint venture.

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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.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Subparagraph (c)
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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of assets acquired at the acquisition date.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of gain (loss) on sale or disposal of intangible assets.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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- Definition

The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

+ References

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- Definition

The total number of producing oil wells and oil wells capable of production, in which the entity owns a fractional working interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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Acquisitions and Divestitures (Details)									1 Months Ended		9 Months Ended	15 Months Ended	24 Months Ended
Acquisitions and Divestitures (Details)	Nov. 13, 2017 USD ($)	Oct. 12, 2017 USD ($)	Jul. 17, 2017 USD ($)	May 10, 2017 USD ($)	Nov. 30, 2016 USD ($)	Nov. 22, 2016 USD ($) item	Jul. 05, 2016 USD ($)	Jun. 15, 2016 USD ($)	Jul. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)
Carnero Processing Acquisition
Business Acquisition [Line Items]
Acquisition membership interest (as percent)						50.00%
Cash payment for acquisition						$ 55,500,000
Capital contribution commitments						24,500,000
Payments to acquire interest in joint venture					$ 15,800,000					$ 15,800,000	$ 15,800,000
Eagle Ford
Business Acquisition [Line Items]
Purchase price						$ 25,016,000
Carnero Gathering LLC, Joint Venture
Business Acquisition [Line Items]
Ownership interest (as a percent)							50.00%
Payments to acquire interest in joint venture							$ 37,000,000				$ 5,100,000	$ 8,400,000	$ 8,400,000
Assumption of capital commitments in joint venture							$ 7,400,000
TPL South Tex Processing Company LP
Business Acquisition [Line Items]
Ownership interest (as a percent)						50.00%	50.00%
SN Cotulla Assets, LLC and SN Palmetto, LLC
Business Acquisition [Line Items]
Producing wellbores \| item						23
SN Cotulla Assets, LLC and SN Palmetto, LLC \| Eagle Ford
Business Acquisition [Line Items]
Cash payment for acquisition						$ 24,200,000
Producing wellbores \| item						11
Closing adjustments						$ 2,800,000
Texas Production Divestiture
Business Acquisition [Line Items]
Proceeds from divestiture of business		$ 6,300,000
Oklahoma Production Divestiture
Business Acquisition [Line Items]
Proceeds from divestiture of business				$ 5,500,000					$ 5,500,000
Gain on sale			$ 2,400,000
Oklahoma Production Divestiture \| Subsequent event
Business Acquisition [Line Items]
Proceeds from divestiture of business	$ 6,300,000
Gateway Resources U.S.A., Inc.
Business Acquisition [Line Items]
Loss on disposition of intangible assets								$ 200,000
Gateway Resources U.S.A., Inc. \| Mid-Continent Divestiture
Business Acquisition [Line Items]
Proceeds from divestiture of business								$ 7,120