CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues and other income:
Natural gas, NGLs and oil sales		$ 507,541,000	$ 304,477,000	$ 1,573,128,000	$ 738,570,000
Derivative fair value (loss) income		(88,426,000)	64,556,000	188,326,000	(11,334,000)
Brokered natural gas, marketing and other		63,117,000	44,174,000	170,544,000	119,181,000
Total revenues and other income		482,232,000	413,207,000	1,931,998,000	846,417,000
Costs and expenses:
Direct operating		36,888,000	22,387,000	96,331,000	67,112,000
Transportation, gathering, processing and compression		191,645,000	138,764,000	560,883,000	400,871,000
Production and ad valorem taxes		11,993,000	6,717,000	31,125,000	18,653,000
Brokered natural gas and marketing		59,773,000	44,622,000	169,180,000	122,105,000
Exploration		22,767,000	6,943,000	45,769,000	18,641,000
Abandonment and impairment of unproved properties		42,568,000	6,082,000	52,181,000	23,769,000
General and administrative		53,035,000	41,024,000	152,853,000	127,745,000
MRD Merger expenses		0	33,791,000	0	36,412,000
Termination costs		(47,000)	136,000	4,049,000	303,000
Deferred compensation plan		(9,203,000)	(11,636,000)	(36,838,000)	30,166,000
Interest		49,179,000	45,967,000	144,206,000	121,464,000
Depletion, depreciation and amortization		159,749,000	131,489,000	462,074,000	374,440,000
Impairment of proved properties and other assets		63,679,000	0	63,679,000	43,040,000
(Gain) loss on the sale of assets		(102,000)	2,597,000	(23,509,000)	7,544,000
Total costs and expenses		681,924,000	468,883,000	1,721,983,000	1,392,265,000
(Loss) income before income taxes		(199,692,000)	(55,676,000)	210,015,000	(545,848,000)
Income tax (benefit) expense:
Current		0	0	0	0
Deferred		(71,992,000)	(13,705,000)	98,054,000	(185,169,000)
Total (benefit) expense for income taxes		(71,992,000)	(13,705,000)	98,054,000	(185,169,000)
Net (loss) income		$ (127,700,000)	$ (41,971,000)	$ 111,961,000	$ (360,679,000)
Net (loss) income per common share:
Basic		$ (0.52)	$ (0.23)	$ 0.45	$ (2.10)
Diluted		(0.52)	(0.23)	0.45	(2.10)
Dividends paid per common share		$ 0.02	$ 0.02	$ 0.06	$ 0.06
Weighted average common shares outstanding:
Basic	[1]	245,244	180,683	245,027	171,571
Diluted		245,244	180,683	245,280	171,571

[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.