Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Operating activities:          
Net income (loss) $ (260,449) $ 9,837 $ (515,544) $ 21,026  
Adjustments to reconcile net income (loss) to net cash provided by operating activities:          
Depreciation, depletion, amortization and accretion 103,342 128,236 228,809 251,542  
Ceiling test write-down of oil and natural gas properties 252,772 0 513,162 0 $ 0
Debt issuance costs write-off/amortization of debt items     2,432 366  
Share-based compensation 2,892 3,887 5,708 7,644  
Derivative loss 1,078 13,079 1,078 20,571  
Cash payments on derivative settlements       (14,310)  
Deferred income taxes     (147,708) 11,921  
Changes in operating assets and liabilities:          
Oil and natural gas receivables     15,285 2,335  
Joint interest and other receivables     11,036 3,550  
Income taxes     (325) 2,918  
Prepaid expenses and other assets     8,929 4,439  
Asset retirement obligation settlements     (21,939) (30,338)  
Accounts payable, accrued liabilities and other     (70,862) (10,614)  
Net cash provided by operating activities     30,061 271,050  
Investing activities:          
Acquisition of property interest in oil and natural gas properties       (53,363)  
Investment in oil and natural gas properties and equipment     (150,994) (212,680)  
Purchases of furniture, fixtures and other     (709) (1,715)  
Net cash used in investing activities     (151,703) (267,758)  
Financing activities:          
Borrowings of long-term debt - revolving bank credit facility     194,000 220,000  
Repayments of long-term debt - revolving bank credit facility     (381,000) (200,000)  
Dividends to shareholders       (15,129)  
Issuance of 9.00% Term Loan     297,000    
Debt issuance costs     (6,407)    
Other     54 (116)  
Net cash provided by financing activities     103,647 4,755  
Increase (decrease) in cash and cash equivalents     (17,995) 8,047  
Cash and cash equivalents, beginning of period     23,666 15,800 15,800
Cash and cash equivalents, end of period 5,671 23,847 5,671 23,847 23,666
Parent Company          
Operating activities:          
Net income (loss) (260,449) 9,837 (515,544) 21,026  
Adjustments to reconcile net income (loss) to net cash provided by operating activities:          
Depreciation, depletion, amortization and accretion 58,023 68,921 129,374 132,117  
Ceiling test write-down of oil and natural gas properties 181,300   371,995    
Debt issuance costs write-off/amortization of debt items     2,432 366  
Share-based compensation     5,708 7,644  
Derivative loss 1,078 13,079 1,078 20,571  
Cash payments on derivative settlements       (14,310)  
Deferred income taxes     (105,818) 25,078  
Earnings (loss) of affiliates 54,548 (10,252) 119,552 (21,940)  
Changes in operating assets and liabilities:          
Oil and natural gas receivables     18,710 7,636  
Joint interest and other receivables     11,036 3,550  
Income taxes     22,580 (21,896)  
Prepaid expenses and other assets     (8,913) (123,770)  
Asset retirement obligation settlements     (21,146) (18,583)  
Accounts payable, accrued liabilities and other     (125,219) 203,344  
Net cash provided by operating activities     (94,175) 220,833  
Investing activities:          
Investment in oil and natural gas properties and equipment     (25,313) (157,128)  
Investment in subsidiary     (1,445) (58,698)  
Purchases of furniture, fixtures and other     (709) (1,715)  
Net cash used in investing activities     (27,467) (217,541)  
Financing activities:          
Borrowings of long-term debt - revolving bank credit facility     194,000 220,000  
Repayments of long-term debt - revolving bank credit facility     (381,000) (200,000)  
Dividends to shareholders       (15,129)  
Issuance of 9.00% Term Loan     297,000    
Debt issuance costs     (6,407)    
Other     54 (116)  
Net cash provided by financing activities     103,647 4,755  
Increase (decrease) in cash and cash equivalents     (17,995) 8,047  
Cash and cash equivalents, beginning of period     23,666 15,800 15,800
Cash and cash equivalents, end of period 5,671 23,847 5,671 23,847 $ 23,666
Guarantor Subsidiaries          
Operating activities:          
Net income (loss) (54,548) 10,252 (119,552) 21,940  
Adjustments to reconcile net income (loss) to net cash provided by operating activities:          
Depreciation, depletion, amortization and accretion 45,319 59,315 99,435 119,425  
Ceiling test write-down of oil and natural gas properties 71,472   141,167    
Deferred income taxes     (41,890) (13,157)  
Changes in operating assets and liabilities:          
Oil and natural gas receivables     (3,425) (5,301)  
Income taxes     (22,905) 24,814  
Prepaid expenses and other assets     72,712 (91,015)  
Asset retirement obligation settlements     (793) (11,755)  
Accounts payable, accrued liabilities and other     (513) 5,266  
Net cash provided by operating activities     124,236 50,217  
Investing activities:          
Acquisition of property interest in oil and natural gas properties       (53,363)  
Investment in oil and natural gas properties and equipment     (125,681) (55,552)  
Net cash used in investing activities     (125,681) (108,915)  
Financing activities:          
Investment from parent     1,445 58,698  
Net cash provided by financing activities     1,445 58,698  
Eliminations          
Operating activities:          
Net income (loss) 54,548 (10,252) 119,552 (21,940)  
Adjustments to reconcile net income (loss) to net cash provided by operating activities:          
Earnings (loss) of affiliates $ (54,548) $ 10,252 (119,552) 21,940  
Changes in operating assets and liabilities:          
Prepaid expenses and other assets     (54,870) 219,224  
Accounts payable, accrued liabilities and other     54,870 (219,224)  
Investing activities:          
Investment in subsidiary     1,445 58,698  
Net cash used in investing activities     1,445 58,698  
Financing activities:          
Investment from parent     (1,445) (58,698)  
Net cash provided by financing activities     $ (1,445) $ (58,698)