Quarterly report pursuant to Section 13 or 15(d)

Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Details)

v3.8.0.1
Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Operating activities:        
Net income (loss) $ (1,297) $ 45,928 $ 56,317 $ (265,503)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:        
Depreciation, depletion, amortization and accretion 36,489 51,500 116,843 172,726
Ceiling test write-down of oil and natural gas properties   57,912   279,063
Gain on exchange of debt   (123,960) (7,811) (123,960)
Debt issuance costs write-off/ amortization of debt items     1,271 2,135
Share-based compensation     5,449 7,642
Derivative (gain) loss 2,879 412 (4,765) 2,861
Cash receipts on derivative settlements, net     3,924 4,746
Deferred income taxes     321 15,484
Changes in operating assets and liabilities:        
Oil and natural gas receivables     3,906 294
Joint interest receivables     8 4,281
Insurance reimbursements     31,740  
Income taxes     320 (52,392)
Prepaid expenses and other assets     2,194 (16,128)
Escrow deposit - Apache lawsuit     (49,500)  
Asset retirement obligation settlements     (56,226) (56,167)
Accounts payable, accrued liabilities and other     26,329 15,750
Net cash provided by (used in) operating activities     130,320 (9,168)
Investing activities:        
Investment in oil and natural gas properties and equipment     (79,088) (24,062)
Changes in operating assets and liabilities associated with investing activities     5,679 (37,400)
Proceeds from sales of assets       1,500
Purchases of furniture, fixtures and other     (905) (96)
Net cash used in investing activities     (74,314) (60,058)
Financing activities:        
Borrowings of long-term debt - revolving bank credit facility       340,000
Repayments of long-term debt - revolving bank credit facility       (340,000)
Debt exchange costs     (421) (17,920)
Other     49 83
Net cash provided by (used in) financing activities     (20,078) 57,163
Increase (decrease) in cash and cash equivalents     35,928 (12,063)
Cash and cash equivalents, beginning of period     70,236 85,414
Cash and cash equivalents, end of period 106,164 73,351 106,164 73,351
Parent Company        
Operating activities:        
Net income (loss) (467) 49,898 58,666 (117,914)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:        
Depreciation, depletion, amortization and accretion 18,804 21,959 59,391 65,230
Ceiling test write-down of oil and natural gas properties   28,305   28,305
Gain on exchange of debt   (123,960) (7,811) (123,960)
Debt issuance costs write-off/ amortization of debt items     1,271 2,135
Share-based compensation     5,449 7,642
Derivative (gain) loss 2,879 412 (4,765) 2,861
Cash receipts on derivative settlements, net     3,924 4,746
Deferred income taxes     321 17,962
Earnings (loss) of affiliates (13,251) 16,925 (49,719) 130,719
Changes in operating assets and liabilities:        
Oil and natural gas receivables     (2,694) 4,335
Joint interest receivables     8 4,281
Insurance reimbursements     31,740  
Income taxes     (9,259) (52,392)
Prepaid expenses and other assets     1,326 (14,535)
Escrow deposit - Apache lawsuit     (49,500)  
Asset retirement obligation settlements     (41,381) (37,925)
Accounts payable, accrued liabilities and other     126,601 23,584
Net cash provided by (used in) operating activities     123,568 (54,926)
Investing activities:        
Investment in oil and natural gas properties and equipment     (68,831) (17,473)
Changes in operating assets and liabilities associated with investing activities     2,174 2,269
Proceeds from sales of assets       1,000
Purchases of furniture, fixtures and other     (905) (96)
Net cash used in investing activities     (67,562) (14,300)
Financing activities:        
Borrowings of long-term debt - revolving bank credit facility       340,000
Repayments of long-term debt - revolving bank credit facility       (340,000)
Debt exchange costs     (421) (17,920)
Other     49 83
Net cash provided by (used in) financing activities     (20,078) 57,163
Increase (decrease) in cash and cash equivalents     35,928 (12,063)
Cash and cash equivalents, beginning of period     70,236 85,414
Cash and cash equivalents, end of period 106,164 73,351 106,164 73,351
Guarantor Subsidiaries        
Operating activities:        
Net income (loss) 13,251 (16,925) 49,719 (130,719)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:        
Depreciation, depletion, amortization and accretion 16,855 29,861 55,103 99,956
Ceiling test write-down of oil and natural gas properties   25,317   110,709
Deferred income taxes       (2,478)
Changes in operating assets and liabilities:        
Oil and natural gas receivables     6,600 (4,041)
Income taxes     9,579  
Prepaid expenses and other assets     (95,523) (46,758)
Asset retirement obligation settlements     (14,845) (18,242)
Accounts payable, accrued liabilities and other     (3,881) 37,331
Net cash provided by (used in) operating activities     6,752 45,758
Investing activities:        
Investment in oil and natural gas properties and equipment     (10,257) (6,589)
Changes in operating assets and liabilities associated with investing activities     3,505 (39,669)
Proceeds from sales of assets       500
Net cash used in investing activities     (6,752) (45,758)
11.00% 1.5 Lien Term Loan, Due November 2019        
Financing activities:        
Issuance of Term Loan       75,000
Payment of interest     (6,170)  
11.00% 1.5 Lien Term Loan, Due November 2019 | Parent Company        
Financing activities:        
Issuance of Term Loan       75,000
Payment of interest     (6,170)  
9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020        
Financing activities:        
Payment of interest     (7,335)  
9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020 | Parent Company        
Financing activities:        
Payment of interest     (7,335)  
8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021        
Financing activities:        
Payment of interest     (6,201)  
8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021 | Parent Company        
Financing activities:        
Payment of interest     (6,201)  
Eliminations        
Operating activities:        
Net income (loss) (14,081) 12,955 (52,068) (16,870)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:        
Depreciation, depletion, amortization and accretion 830 (320) 2,349 7,540
Ceiling test write-down of oil and natural gas properties   4,290   140,049
Earnings (loss) of affiliates $ 13,251 $ (16,925) 49,719 (130,719)
Changes in operating assets and liabilities:        
Prepaid expenses and other assets     96,391 45,165
Accounts payable, accrued liabilities and other     $ (96,391) $ (45,165)