Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 245,979	$ 17,487
Accounts receivable, net of allowance for doubtful accounts of $1,251 in 2013 and 2014, respectively	116,203	30,610
Accrued revenue	191,558	96,825
Derivative instruments	692,554	183,000
Other	5,866	5,642
Total current assets	1,252,160	333,564
Natural gas properties, at cost (successful efforts method):
Unproved properties	2,060,936	1,513,136
Proved properties	6,515,221	3,621,672
Fresh water distribution systems	421,012	231,684
Gathering systems and facilities	1,197,239	584,626
Other property and equipment	37,687	15,757
Property and equipment, gross	10,232,095	5,966,875
Less accumulated depletion, depreciation, and amortization	(879,643)	(407,219)
Property and equipment, net	9,352,452	5,559,656
Derivative instruments	899,997	677,780
Other assets, net	68,886	42,581
Total assets	11,573,495	6,613,581
Current liabilities:
Accounts payable	531,564	370,640
Accrued liabilities	168,614	77,126
Revenue distributions payable	182,352	96,589
Deferred income tax liability	260,373	69,191
Derivative instruments		646
Other	12,202	8,037
Total current liabilities	1,155,105	622,229
Long-term liabilities:
Long-term debt	4,362,550	2,078,999
Deferred income tax liability	534,423	278,580
Other long-term liabilities	47,587	35,113
Total liabilities	6,099,665	3,014,921
Commitments and contingencies (notes 11 and 12)
Stockholders'/Members' Equity:
Common stock, $0.01 par value; authorized - 1,000,000,000 shares; issued and outstanding 262,049,659 shares and 262,071,642 shares, respectively	2,621	2,620
Additional paid-in capital	3,513,725	3,402,180
Accumulated earnings	867,447	193,860
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Total	4,383,793	3,598,660
Noncontrolling interest in consolidated subsidiary	1,090,037
Total equity	5,473,830	3,598,660
Total liabilities and equity	$ 11,573,495	$ 6,613,581