Condensed Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Natural gas sales	$ 312,336	$ 121,946
Natural gas liquids sales	73,928	10,572
Oil sales	24,122	877
Gathering, compression and water distribution	3,524
Commodity derivative fair value losses	(248,929)	(71,941)
Total revenue	164,981	61,454
Operating expenses:
Lease operating	4,869	1,071
Gathering, compression, processing, and transportation	92,265	40,970
Production and ad valorem taxes	21,039	8,619
Exploration	6,997	4,362
Impairment of unproved properties	1,397	1,556
Depletion, depreciation, and amortization	91,206	40,364
Accretion of asset retirement obligations	302	264
General and administrative (including stock compensation of $29,137 in 2014)	50,985	12,717
Total operating expenses	269,060	109,923
Operating loss	(104,079)	(48,469)
Interest expense	(31,342)	(29,928)
Loss before income taxes	(135,421)	(78,397)
Provision for income tax benefit	40,662	30,400
Net loss and comprehensive loss	$ (94,759)	$ (47,997)
Loss per common share (in dollars per share)	$ (0.36)	$ (0.18)
Loss per common share - assuming dilution (in dollars per share)	$ (0.36)	$ (0.18)