Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Supplemental Guarantor Information - Condensed Consolidating Statement of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Condensed Income Statements Captions [Line Items]    
Revenues $ 124,393 $ 77,715
Operating costs and expenses:    
Lease operating expenses 40,164 44,469
Production taxes 515 526
Gathering and transportation 6,209 5,092
Depreciation, depletion, amortization and accretion 39,990 63,733
Ceiling test write-down of oil and natural gas properties   116,559
General and administrative expenses 13,274 16,443
Derivative gain (3,955) (2,493)
Total costs and expenses 96,197 244,329
Operating income (loss) 28,196 (166,614)
Interest expense:    
Incurred 11,294 27,814
Capitalized   (343)
Other expense, net 191 1,306
Income (loss) before income tax benefit 16,711 (195,391)
Income tax benefit (7,588) (4,882)
Net income (loss) 24,299 (190,509)
Parent Company    
Condensed Income Statements Captions [Line Items]    
Revenues 53,707 30,512
Operating costs and expenses:    
Lease operating expenses 23,702 24,945
Production taxes 515 526
Gathering and transportation 2,566 1,553
Depreciation, depletion, amortization and accretion 19,154 20,623
General and administrative expenses 5,776 6,613
Derivative gain (3,955) (2,493)
Total costs and expenses 47,758 51,767
Operating income (loss) 5,949 (21,255)
Earnings (loss) of affiliates 17,527 (73,029)
Interest expense:    
Incurred 11,294 27,695
Capitalized   (224)
Other expense, net 191 1,306
Income (loss) before income tax benefit 11,991 (123,061)
Income tax benefit (13,039) (3,676)
Net income (loss) 25,030 (119,385)
Guarantor Subsidiaries    
Condensed Income Statements Captions [Line Items]    
Revenues 70,686 47,203
Operating costs and expenses:    
Lease operating expenses 16,462 19,524
Gathering and transportation 3,643 3,539
Depreciation, depletion, amortization and accretion 20,105 38,161
Ceiling test write-down of oil and natural gas properties   50,384
General and administrative expenses 7,498 9,830
Total costs and expenses 47,708 121,438
Operating income (loss) 22,978 (74,235)
Interest expense:    
Incurred   119
Capitalized   (119)
Income (loss) before income tax benefit 22,978 (74,235)
Income tax benefit 5,451 (1,206)
Net income (loss) 17,527 (73,029)
Eliminations    
Operating costs and expenses:    
Depreciation, depletion, amortization and accretion 731 4,949
Ceiling test write-down of oil and natural gas properties   66,175
Total costs and expenses 731 71,124
Operating income (loss) (731) (71,124)
Earnings (loss) of affiliates (17,527) 73,029
Interest expense:    
Income (loss) before income tax benefit (18,258) 1,905
Net income (loss) $ (18,258) $ 1,905