Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 146,756	$ (26,441)	$ 753,696	$ 104,104
Other Comprehensive Income:
Actuarially Determined Long-Term Liability Adjustments (Net of tax: ($13), ($2,034), ($794), ($6,121))	22	3,464	2,004	10,430
Comprehensive Income (Loss)	146,778	(22,977)	755,700	114,534
Less: Comprehensive Income Attributable to Noncontrolling Interest	21,727	0	59,090	0
Comprehensive Income (Loss) Attributable to CNX Resources Shareholders	$ 125,051	$ (22,977)	$ 696,610	$ 114,534