CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues and other income:
Natural gas, NGLs and oil sales		$ 506,137,000	$ 224,606,000	$ 1,065,587,000	$ 434,093,000
Derivative fair value income (loss)		111,195,000	(162,798,000)	276,752,000	(75,890,000)
Brokered natural gas, marketing and other		55,779,000	39,989,000	107,427,000	75,007,000
Total revenues and other income		673,111,000	101,797,000	1,449,766,000	433,210,000
Costs and expenses:
Direct operating		31,420,000	20,671,000	59,443,000	44,725,000
Transportation, gathering, processing and compression		191,590,000	136,844,000	369,238,000	262,107,000
Production and ad valorem taxes		9,969,000	6,049,000	19,132,000	11,936,000
Brokered natural gas and marketing		55,857,000	40,925,000	109,407,000	77,483,000
Exploration		14,498,000	6,785,000	23,002,000	11,698,000
Abandonment and impairment of unproved properties		5,193,000	7,059,000	9,613,000	17,687,000
General and administrative		52,322,000	46,064,000	99,818,000	86,721,000
MRD Merger expenses		0	2,621,000	0	2,621,000
Termination costs		(96,000)	5,000	4,096,000	167,000
Deferred compensation plan		(14,466,000)	25,746,000	(27,635,000)	41,802,000
Interest		47,926,000	37,758,000	95,027,000	75,497,000
Depletion, depreciation and amortization		152,504,000	122,390,000	302,325,000	242,951,000
Impairment of proved properties and other assets		0	0	0	43,040,000
(Gain) loss on the sale of assets		(807,000)	3,304,000	(23,407,000)	4,947,000
Total costs and expenses		545,910,000	456,221,000	1,040,059,000	923,382,000
Income (loss) before income taxes		127,201,000	(354,424,000)	409,707,000	(490,172,000)
Income tax expense (benefit):
Current		0	0	0	0
Deferred		57,651,000	(129,488,000)	170,046,000	(171,464,000)
Total income tax expense (benefit)		57,651,000	(129,488,000)	170,046,000	(171,464,000)
Net income (loss)		$ 69,550,000	$ (224,936,000)	$ 239,661,000	$ (318,708,000)
Net income (loss) per common share:
Basic		$ 0.28	$ (1.35)	$ 0.97	$ (1.91)
Diluted		0.28	(1.35)	0.97	(1.91)
Dividends paid per common share		$ 0.02	$ 0.02	$ 0.04	$ 0.04
Weighted average common shares outstanding:
Basic	[1]	245,177	167,126	244,916	166,964
Diluted		245,335	167,126	245,242	166,964

[1] 2017 includes common stock issued in connection with the exchange of 77.0 million shares for all outstanding Memorial common stock on September 16, 2016.