Quarterly report pursuant to Section 13 or 15(d)

Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)

v2.4.0.8
Sale of Piceance and Arkoma Properties - Discontinued Operations (Details) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Piceance Basin and Arkoma Basin
Sep. 30, 2012
Piceance Basin and Arkoma Basin
Sep. 30, 2013
Piceance Basin and Arkoma Basin
Sep. 30, 2012
Piceance Basin and Arkoma Basin
Dec. 21, 2012
Piceance Basin
Dec. 31, 2012
Piceance Basin
Jun. 29, 2012
Arkoma properties
Jun. 30, 2012
Arkoma properties
Sale of Assets                        
Net proceeds from the sale adjusted for expenses of the sale and estimated income, expenses, and capital costs                 $ 316,000,000   $ 427,000,000  
Sale consideration                 325,000,000   445,000,000  
Term of post-closing adjustments which would effect the agreement to sell the properties                 1 year   2 years  
Loss on sale     (5,000,000) 427,232,000       427,232,000   364,000,000    
Obligation assumed by purchaser                 100,000,000      
Proceeds from liquidation of hedge positions                 100,000,000      
Loss on sale of assets                       427,000,000
Pre-tax income received from sales tax refund and reductions in estimated expenses         5,000,000   5,000,000          
Income received from sales tax refund and reductions in estimated expenses, net of tax         3,100   3,100          
Results of operations and the loss on the sale of the assets                        
Sales of oil, natural gas, and natural gas liquids           22,690,000   105,096,000        
Commodity derivative fair value gains (losses) 161,968,000 (159,004,000) 285,510,000 52,210,000   (18,880,000)   46,358,000        
Total revenue 384,522,000 (92,038,000) 833,120,000 500,628,000   3,810,000   151,454,000        
Lease operating expenses 2,697,000 1,513,000 5,222,000 4,072,000   2,430,000   16,395,000        
Gathering, compression, and transportation 58,383,000 25,291,000 148,023,000 56,945,000   7,685,000   38,210,000        
Production taxes 11,851,000 3,621,000 30,578,000 10,734,000   1,776,000   4,874,000        
Exploration expenses 5,372,000 3,156,000 17,034,000 7,912,000   95,000   507,000        
Impairment of unproved properties 3,205,000 2,438,000 9,564,000 4,019,000   (31,000)   962,000        
Depletion, depreciation, and amortization 65,697,000 26,858,000 158,650,000 65,289,000   14,197,000   77,344,000        
Accretion of asset retirement obligations 266,000 25,000 797,000 71,000   91,000   310,000        
Loss (gain) on sale of discontinued operations     (5,000,000) 427,232,000       427,232,000   364,000,000    
Total operating expenses 161,914,000 74,840,000 410,595,000 180,626,000   26,243,000   565,834,000        
Loss from discontinued operations before income taxes 222,608,000 (166,878,000) 422,525,000 320,002,000   (22,433,000)   (414,380,000)        
Income tax (expense) benefit           8,642,000   (4,085,000)        
Net loss from discontinued operations attributable to Antero equity owners $ 3,100,000 $ (13,791,000) $ 3,100,000 $ (418,465,000)   $ (13,791,000)   $ (418,465,000)