Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net Loss	$ (113,789)	$ (9,360)	$ (83,213)	$ (27,948)
Other Comprehensive Income:
Actuarially Determined Long-Term Liability Adjustments (Net of tax: ($1,164), ($1,214), ($3,755), ($3,642))	3,359	3,624	10,844	10,872
Unrealized Gain (Loss) on Cash Flow Hedges (Net of tax: ($135), ($127), ($414), $810)	390	377	1,195	(2,408)
Other Comprehensive Income	3,749	4,001	12,039	8,464
Comprehensive Loss	(110,040)	(5,359)	(71,174)	(19,484)
Less: Comprehensive Loss Attributable to Noncontrolling Interest	0	(2,121)	0	(5,063)
Comprehensive Loss Attributable to CONSOL Energy Inc. Stockholders	$ (110,040)	$ (3,238)	$ (71,174)	$ (14,421)