Variable Interest Entities Statement of Operations and Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Variable Interest Entity [Line Items]
Miscellaneous Income	$ 3,753	$ 2,923	$ 8,711	$ 6,120
Total Revenue	148,841	605,032	565,200	883,463
Loss on Asset Sales and Abandonments	(5,938)	(387)	(17,992)	2,699
Interest Expense	46,256	40,152	95,252	75,923
Total Costs and Expenses	307,973	371,547	1,182,137	726,188
Net (Loss) Income Attributable to CNX Resources Shareholders	(145,749)	162,477	(474,835)	75,140
Net Cash Provided by Operating Activities			411,185	560,673
Net Cash Used in Investing Activities			(260,775)	(621,278)
Net Cash (Used in) Provided by Financing Activities			(140,772)	76,018
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Gathering Revenue - Related Party	54,203	59,205	116,381	112,981
Gathering Revenue - Third Party	11,749	18,896	29,702	37,339
Miscellaneous Income	86	0	151	0
Total Revenue	66,038	78,101	146,234	150,320
Operating Expense - Related Party	4,367	6,514	8,195	12,062
Operating Expense - Third Party	6,049	6,188	14,645	12,162
General and Administrative Expense - Related Party	2,748	4,027	5,605	7,994
General and Administrative Expense - Third Party	1,585	1,364	4,350	2,900
Loss on Asset Sales and Abandonments	1,663	0	1,652	7,229
Depreciation Expense	8,209	5,860	15,787	11,510
Interest Expense	8,617	7,685	17,410	15,024
Total Costs and Expenses	33,238	31,638	67,644	68,881
Net (Loss) Income Attributable to CNX Resources Shareholders	32,800	46,463	78,590	81,439
Net Cash Provided by Operating Activities	45,495	74,753	85,618	124,666
Net Cash Used in Investing Activities	(14,297)	(104,310)	(46,956)	(182,867)
Net Cash (Used in) Provided by Financing Activities	$ (35,444)	$ 41,164	$ (37,704)	$ 65,912