Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net Loss	$ (305,222)	$ (64,651)
Less: Net Income Attributable to Noncontrolling Interest	23,864	22,686
Net Loss Attributable to CNX Resources Shareholders	$ (329,086)	$ (87,337)
Denominator:
Weighted-average shares of common stock outstanding (in shares)	186,918,361	197,475,702
Effect of dilutive shares (in shares)	0	0
Weighted-average diluted shares of common stock outstanding (in shares)	186,918,361	197,475,702
Loss per Share
Basic (in usd per share)	$ (1.76)	$ (0.44)
Diluted (in usd per share)	$ (1.76)	$ (0.44)

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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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.

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