Disposal Group, Including Discontinued Operations, Asset Retirement Obligations Assumed

No definition available.

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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 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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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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- Definition

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

+ References

No definition available.

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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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-Name Accounting Standards Codification
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- Definition

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

+ References

No definition available.

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Acquisitions and Dispositions Narrative (Details) - USD ($) $ in Thousands				3 Months Ended
	Mar. 30, 2018	Jan. 03, 2018	Dec. 14, 2017	Mar. 31, 2018	Mar. 31, 2017	Dec. 13, 2017
Business Acquisition [Line Items]
Net gain on sale				$ 11,342	$ 3,996
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain				$ 623,663	$ 0
Midstream Acquisition [Member]
Business Acquisition [Line Items]
Cash consideration transferred		$ 305,000	$ 305,000
Fair value of previously held equity interest		799,033
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain		$ 623,663
Shallow Oil, Gas, and CBM Assets in Pennsylvania and West Virginia [Member]
Business Acquisition [Line Items]
Cash consideration received in sale of oil and gas assets	$ 87,510
Asset retirement obligations assumed	196,514
Net gain on sale	$ 4,751
CNX Gathering LLC [Member]
Business Acquisition [Line Items]
Ownership percentage in equity method investment		50.00%	50.00%	50.00%		50.00%
CONE Midstream GP LLC [Member]
Business Acquisition [Line Items]
Ownership percentage by parent			100.00%