CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues
Sales and other operating revenues	$ 429,094	$ 749,150
Gain on sale of assets	22	135,877
Interest and other income	1,179	36,720
Total revenues	430,295	921,747
Costs and Expenses
Lease operating expenses	159,103	232,421
Severance and ad valorem taxes	12,637	20,791
Exploration expenses, including undeveloped lease amortization	26,916	128,734
Selling and general expenses	73,507	86,967
Depreciation, depletion and amortization	286,149	481,027
Impairment of assets	95,088
Accretion of asset retirement obligations	12,125	11,769
Interest expense	32,061	29,470
Interest capitalized	(1,841)	(1,385)
Other expense (benefit)	(416)	49,681
Total costs and expenses	695,329	1,039,475
Loss from continuing operations before income taxes	(265,034)	(117,728)
Income tax benefit	(65,549)	(121,258)
Income (loss) from continuing operations	(199,485)	3,530
Income (loss) from discontinued operations, net of income taxes	683	(17,971)
Net Loss	$ (198,802)	$ (14,441)
Per Common Share - Basic
Income (loss) from continuing operations	$ (1.16)	$ 0.02
Loss from discontinued operations		(0.10)
Net loss	(1.16)	(0.08)
Per Common Share - Diluted
Income (loss) from continuing operations	(1.16)	0.02
Loss from discontinued operations		(0.10)
Net loss	$ (1.16)	$ (0.08)
Average Common shares outstanding
Basic	172,114,012	177,734,159
Diluted	172,114,012	178,241,616