Separation, Number Of Independent Businesses

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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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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No definition available.

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- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
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BASIS OF PRESENTATION - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
BASIS OF PRESENTATION - Narrative (Details) $ in Thousands	Dec. 31, 2016 business	Sep. 30, 2018 USD ($) shares	Sep. 30, 2017 shares	Sep. 30, 2018 USD ($) business shares	Sep. 30, 2017 shares	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Restricted cash \| $		$ 25,862		$ 25,862			$ 0
Number of independent businesses \| business				2
Common stock distributed in completion of separation agreement (in shares)		27,982,538	27,967,509	28,011,488	27,967,509
Preferred stock, shares authorized		500,000		500,000
Preferred stock, shares issued		0		0
Preferred stock, shares outstanding		0		0
ParentCo
Related Party Transaction [Line Items]
Number of independent businesses \| business	2
CNX Coal Resources LP \| Pennsylvania Mining Operations
Related Party Transaction [Line Items]
Ownership percentage		25.00%		25.00%
Retained Earnings \| Accounting Standards Update 2018-02
Related Party Transaction [Line Items]
Cumulative effect adjustments \| $						$ 84,729
Accumulated Other Comprehensive (Loss) Income \| Accounting Standards Update 2018-02
Related Party Transaction [Line Items]
Cumulative effect adjustments \| $						$ (84,729)