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
Mar. 31, 2015
Mar. 31, 2014
Condensed Income Statements Captions [Line Items]    
Revenues $ 127,907 $ 254,516
Operating costs and expenses:    
Lease operating expenses 53,331 55,617
Production taxes 637 1,992
Gathering and transportation 4,824 5,296
Depreciation, depletion, amortization and accretion 125,467 123,306
Ceiling test write-down of oil and natural gas properties 260,390 0
General and administrative expenses 20,766 23,588
Derivative loss 0 7,492
Total costs and expenses 465,415 217,291
Operating income (loss) (337,508) 37,225
Interest expense:    
Incurred 22,944 21,460
Capitalized (1,783) (2,072)
Income (loss) before income tax expense (benefit) (358,669) 17,837
Income tax expense (benefit) (103,574) 6,648
Net income (loss) (255,095) 11,189
Parent Company    
Condensed Income Statements Captions [Line Items]    
Revenues 82,463 143,986
Operating costs and expenses:    
Lease operating expenses 37,386 39,110
Production taxes 637 1,992
Gathering and transportation 2,548 3,338
Depreciation, depletion, amortization and accretion 75,152 62,431
Ceiling test write-down of oil and natural gas properties 190,695  
General and administrative expenses 12,388 11,445
Derivative loss   7,492
Total costs and expenses 318,806 125,808
Operating income (loss) (236,343) 18,178
Earnings (loss) of affiliates (65,627) 12,451
Interest expense:    
Incurred 22,230 20,679
Capitalized (1,069) (1,291)
Income (loss) before income tax expense (benefit) (323,131) 11,241
Income tax expense (benefit) (68,036) 52
Net income (loss) (255,095) 11,189
Guarantor Subsidiaries    
Condensed Income Statements Captions [Line Items]    
Revenues 45,444 110,530
Operating costs and expenses:    
Lease operating expenses 15,945 16,507
Gathering and transportation 2,276 1,958
Depreciation, depletion, amortization and accretion 50,315 60,875
Ceiling test write-down of oil and natural gas properties 69,695  
General and administrative expenses 8,378 12,143
Total costs and expenses 146,609 91,483
Operating income (loss) (101,165) 19,047
Interest expense:    
Incurred 714 781
Capitalized (714) (781)
Income (loss) before income tax expense (benefit) (101,165) 19,047
Income tax expense (benefit) (35,538) 6,596
Net income (loss) (65,627) 12,451
Eliminations    
Operating costs and expenses:    
Earnings (loss) of affiliates 65,627 (12,451)
Interest expense:    
Income (loss) before income tax expense (benefit) 65,627 (12,451)
Net income (loss) $ 65,627 $ (12,451)