Quarterly report pursuant to Section 13 or 15(d)

Supplemental Guarantor Information - Condensed Consolidating Statement of Operations (Details)

v3.3.0.814
Supplemental Guarantor Information - Condensed Consolidating Statement of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Condensed Income Statements Captions [Line Items]          
Revenues $ 126,228 $ 234,521 $ 403,201 $ 752,031  
Operating costs and expenses:          
Lease operating expenses 45,039 71,732 143,500 189,116  
Production taxes 889 1,794 2,526 5,628  
Gathering and transportation 3,572 4,115 13,189 13,396  
Depreciation, depletion, amortization and accretion 97,329 128,671 326,138 380,213  
Ceiling test write-down of oil and natural gas properties 441,688 0 954,850 0 $ 0
General and administrative expenses 16,515 21,007 57,038 64,277  
Derivative (gain) loss (10,231) (13,781) (9,153) 6,790  
Total costs and expenses 594,801 213,538 1,488,088 659,420  
Operating income (loss) (468,573) 20,983 (1,084,887) 92,611  
Interest expense:          
Incurred 28,754 21,783 77,816 64,703  
Capitalized (2,203) (2,191) (6,010) (6,422)  
Other (income) expense, net 964 (197) 2,647 (205)  
Income (loss) before income tax expense (benefit) (496,088) 1,588 (1,159,340) 34,535  
Income tax expense (benefit) (18,520) 904 (166,228) 12,825  
Net income (loss) (477,568) 684 (993,112) 21,710  
Parent Company          
Condensed Income Statements Captions [Line Items]          
Revenues 71,092 145,950 238,900 448,107  
Operating costs and expenses:          
Lease operating expenses 29,721 46,793 97,463 126,966  
Production taxes 889 1,794 2,526 5,628  
Gathering and transportation 1,712 2,872 7,046 8,452  
Depreciation, depletion, amortization and accretion 50,960 70,922 180,334 203,040  
Ceiling test write-down of oil and natural gas properties 244,952   616,947    
General and administrative expenses 8,590 11,450 31,205 33,299  
Derivative (gain) loss (10,231) (13,781) (9,153) 6,790  
Total costs and expenses 326,593 120,050 926,368 384,175  
Operating income (loss) (255,501) 25,900 (687,468) 63,932  
Earnings (loss) of affiliates (129,061) (5,729) (248,613) 16,211  
Interest expense:          
Incurred 27,911 20,932 75,465 63,078  
Capitalized (1,360) (1,340) (3,659) (4,797)  
Other (income) expense, net 964 (197) 2,647 (205)  
Income (loss) before income tax expense (benefit) (412,077) 776 (1,010,534) 22,067  
Income tax expense (benefit) 65,491 92 (17,422) 357  
Net income (loss) (477,568) 684 (993,112) 21,710  
Guarantor Subsidiaries          
Condensed Income Statements Captions [Line Items]          
Revenues 55,136 88,571 164,301 303,924  
Operating costs and expenses:          
Lease operating expenses 15,318 24,939 46,037 62,150  
Gathering and transportation 1,860 1,243 6,143 4,944  
Depreciation, depletion, amortization and accretion 46,369 57,749 145,804 177,173  
Ceiling test write-down of oil and natural gas properties 196,736   337,903    
General and administrative expenses 7,925 9,557 25,833 30,978  
Total costs and expenses 268,208 93,488 561,720 275,245  
Operating income (loss) (213,072) (4,917) (397,419) 28,679  
Interest expense:          
Incurred 843 851 2,351 1,625  
Capitalized (843) (851) (2,351) (1,625)  
Income (loss) before income tax expense (benefit) (213,072) (4,917) (397,419) 28,679  
Income tax expense (benefit) (84,011) 812 (148,806) 12,468  
Net income (loss) (129,061) (5,729) (248,613) 16,211  
Eliminations          
Operating costs and expenses:          
Earnings (loss) of affiliates 129,061 5,729 248,613 (16,211)  
Interest expense:          
Income (loss) before income tax expense (benefit) 129,061 5,729 248,613 (16,211)  
Net income (loss) $ 129,061 $ 5,729 $ 248,613 $ (16,211)