Condensed Balance Sheets (unaudited) (Successor, USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Successor
Current assets:
Cash and cash equivalents	$ 2,489	$ 51,041
Accounts receivable – trade, net	156,577	122,855
Derivative instruments	2,070	5,596
Other current assets	30,235	30,833
Total current assets	191,371	210,325
Noncurrent assets:
Oil and natural gas properties (successful efforts method)	5,126,125	4,813,659
Less accumulated depletion and amortization	(150,631)	(10,394)
Oil and natural gas properties, net	4,975,494	4,803,265
Other property and equipment	89,856	83,126
Less accumulated depreciation	(3,790)	(233)
Other property and equipment, net	86,066	82,893
Derivative instruments	1,210	2,511
Other noncurrent assets	16,204	8,051
Noncurrent assets, excluding property, total	17,414	10,562
Total noncurrent assets	5,078,974	4,896,720
Total assets	5,270,345	5,107,045
Current liabilities:
Accounts payable and accrued expenses	314,108	264,271
Derivative instruments	31,575	20,393
Other accrued liabilities	19,560	28,993
Current portion of long-term debt	0	211,558
Total current liabilities	365,243	525,215
Noncurrent liabilities:
Credit facility	1,173,175	1,173,175
Senior notes, net	914,680	916,428
Derivative instruments	0	4,649
Other noncurrent liabilities	184,591	192,091
Total noncurrent liabilities	2,272,446	2,286,343
Commitments and contingencies (Note 10)
Member’s equity:
Additional paid-in capital	2,493,923	2,315,460
Accumulated income (deficit)	138,733	(19,973)
Total member's equity	2,632,656	2,295,487
Total liabilities and member’s equity	$ 5,270,345	$ 5,107,045