CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues and other income:
Revenues and other income	$ 683,911	$ 460,745
Derivative fair value (loss) income	(57,879)	233,175
Total revenues and other income	626,032	693,920
Costs and expenses:
Production and ad valorem taxes	4,625	9,019
Brokered natural gas and marketing	72,335	32,624
Exploration	5,538	7,077
Abandonment and impairment of unproved properties	3,029	5,413
General and administrative	38,004	42,254
Exit and termination costs	13,714	1,595
Deferred compensation plan	19,811	(8,537)
Interest	56,878	47,518
Loss (gain) on early extinguishment of debt	35	(12,923)
Depletion, depreciation and amortization	88,383	102,986
Impairment of proved properties	0	77,000
Loss (gain) on the sale of assets	1,860	(122,099)
Total costs and expenses	596,192	498,727
Income before income taxes	29,840	195,193
Income tax expense (benefit):
Current	168	(363)
Deferred	2,521	29,361
Total (benefit) expense for income taxes	2,689	28,998
Net income	$ 27,151	$ 166,195
Net income per common share:
Basic	$ 0.11	$ 0.67
Diluted	$ 0.11	$ 0.66
Weighted average common shares outstanding:
Basic	242,159	246,218
Diluted	247,527	247,684
Natural Gas, NGLs and Oil Sales
Revenues and other income:
Revenues and other income	$ 603,347	$ 432,096
Brokered Natural Gas, Marketing and Other
Revenues and other income:
Revenues and other income	80,564	28,649
Direct Operating
Costs and expenses:
Costs and expenses	17,650	32,035
Transportation, Gathering, Processing and Compression
Costs and expenses:
Costs and expenses	$ 274,330	$ 284,765