CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues and other income:
Total Revenues from Contracts with Customers	$ 5,335,309,000	$ 3,580,439,000	$ 1,780,986,000
Derivative fair value (loss) income	(1,188,506,000)	(650,216,000)	187,711,000
Total revenues and other income	4,146,803,000	2,930,223,000	1,968,697,000
Costs and expenses:
Taxes other than income	35,367,000	30,648,000	25,649,000
Brokered natural gas and marketing	427,048,000	367,288,000	188,316,000
Exploration	26,772,000	23,555,000	32,654,000
Abandonment and impairment of unproved properties	28,608,000	7,206,000	19,334,000
General and administrative	168,085,000	168,435,000	158,383,000
Exit costs	70,337,000	21,661,000	547,409,000
Deferred compensation plan	61,880,000	68,351,000	12,541,000
Interest	165,145,000	227,336,000	192,667,000
Loss (gain) on early extinguishment of debt	69,493,000	98,000	(14,068,000)
Depletion, depreciation and amortization	353,420,000	364,555,000	394,330,000
Impairment of proved properties and other assets	0	0	78,955,000
Gain on the sale of assets	(409,000)	(701,000)	(110,791,000)
Total costs and expenses	2,732,973,000	2,528,188,000	2,706,026,000
Income (loss) before income taxes	1,413,830,000	402,035,000	(737,329,000)
Income tax (benefit) expense:
Current	14,688,000	7,984,000	(523,000)
Deferred	215,772,000	(17,727,000)	(25,029,000)
Total (benefit) expense for income taxes	230,460,000	(9,743,000)	(25,552,000)
Net income (loss)	$ 1,183,370,000	$ 411,778,000	$ (711,777,000)
Net loss per common share:
Basic	$ 4.79	$ 1.65	$ (2.95)
Diluted	$ 4.69	$ 1.61	$ (2.95)
Weighted average common shares outstanding:
Basic	240,858	242,862	241,373
Diluted	246,379	249,314	241,373
Natural Gas, NGLs and Oil Sales
Revenues and other income:
Total Revenues from Contracts with Customers	$ 4,911,092,000	$ 3,215,027,000	$ 1,607,713,000
Brokered Natural Gas, Marketing and Other
Revenues and other income:
Total Revenues from Contracts with Customers	424,217,000	365,412,000	173,273,000
Direct Operating
Costs and expenses:
Costs and expenses	84,286,000	75,287,000	92,157,000
Transportation, Gathering, Processing and Compression
Costs and expenses:
Costs and expenses	$ 1,242,941,000	$ 1,174,469,000	$ 1,088,490,000