CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,168	$ 1,809
Accounts receivable – trade, net	216,556	471,684
Derivative instruments	1,220,230	1,077,142
Other current assets	119,921	155,955
Total current assets	1,558,875	1,706,590
Noncurrent assets:
Oil and natural gas properties (successful efforts method)	18,121,155	18,068,900
Less accumulated depletion and amortization	(11,097,492)	(4,867,682)
Oil and natural gas properties, successful efforts method, net	7,023,663	13,201,218
Other property and equipment	708,711	669,149
Less accumulated depreciation	(195,661)	(144,282)
Other property and equipment, net	513,050	524,867
Derivative instruments	566,401	848,097
Restricted cash	257,363	6,225
Other noncurrent assets	57,594	136,512
Noncurrent assets, excluding property, total	881,358	990,834
Total noncurrent assets	8,418,071	14,716,919
Total assets	9,976,946	16,423,509
Current liabilities:
Accounts payable and accrued expenses	455,374	814,809
Derivative instruments	2,241	0
Current portion of long-term debt	3,716,508	0
Other accrued liabilities	119,593	167,736
Total current liabilities	4,293,716	982,545
Noncurrent liabilities:
Derivative instruments	857	684
Long-term debt, net	5,328,235	10,295,809
Other noncurrent liabilities	623,039	600,866
Total noncurrent liabilities	$ 5,952,131	$ 10,897,359
Commitments and contingencies (Note 11)
Unitholders’ capital (deficit):
355,017,428 units and 331,974,913 units issued and outstanding at December 31, 2015, and December 31, 2014, respectively	$ 5,343,116	$ 5,395,811
Accumulated deficit	(5,612,017)	(852,206)
Total unitholders' capital (deficit)	(268,901)	4,543,605
Total liabilities and unitholders’ capital (deficit)	$ 9,976,946	$ 16,423,509