CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue and Other Income:
Revenue from contracts with customers	$ 371,182		$ 404,800		$ 728,165	$ 788,917
Miscellaneous Other Income	12,194		10,369		25,486	36,256
Gain on Sale of Assets	933		104		1,272	358
Total Revenue and Other Income	384,309		415,273		754,923	825,531
Costs and Expenses:
Operating and Other Costs	253,448		248,195		483,561	477,997
Depreciation, Depletion and Amortization	46,151		54,961		96,875	104,432
Freight Expense	3,854		17,444		10,516	35,331
Selling, General and Administrative Costs	16,288		15,705		38,211	29,189
Loss on Debt Extinguishment	1,500		1,723		24,643	3,149
Interest Expense, net	16,046		21,504		34,642	42,549
Total Costs and Expenses	337,287		359,532		688,448	692,647
Earnings Before Income Tax	47,022		55,741		66,475	132,884
Income Tax (Benefit) Expense	(1,808)		3,032		(2,658)	9,217
Net Income	48,830	$ 20,303	52,709	$ 70,958	69,133	123,667
Less: Net Income Attributable to Noncontrolling Interest	5,550		7,547		11,418	16,097
Net Income Attributable to CONSOL Energy Inc. Shareholders	$ 43,280		$ 45,162		$ 57,715	$ 107,570
Earnings per Share:
Total Basic Earnings per Share (in dollars per share)	$ 1.57		$ 1.61		$ 2.10	$ 3.84
Total Dilutive Earnings per Share (in dollars per share)	$ 1.56		$ 1.58		$ 2.08	$ 3.78
Coal Revenue
Revenue and Other Income:
Revenue from contracts with customers	$ 350,620		$ 370,697		$ 683,123	$ 721,706
Terminal Revenue
Revenue and Other Income:
Revenue from contracts with customers	16,708		16,659		34,526	31,880
Freight Revenue
Revenue and Other Income:
Revenue from contracts with customers	$ 3,854		$ 17,444		$ 10,516	$ 35,331