Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Operating activities:    
Net income (loss) $ 24,299 $ (190,509)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 39,990 63,733
Ceiling test write-down of oil and natural gas properties   116,559
Debt issuance costs write-down/amortization of debt items 412 1,684
Share-based compensation 1,928 2,536
Derivative gain (3,955) (2,493)
Cash receipts on derivative settlements 713 4,105
Deferred income taxes 105 (4,882)
Changes in operating assets and liabilities:    
Oil and natural gas receivables (1,882) 8,165
Joint interest and other receivables 35,142 4,991
Income taxes   (310)
Prepaid expenses and other assets (7,972) 1,317
Asset retirement obligation settlements (14,499) (3,180)
Accounts payable, accrued liabilities and other 6,902 27,993
Net cash provided by operating activities 81,183 29,709
Investing activities:    
Investment in oil and natural gas properties and equipment (23,338) (12,903)
Changes in operating assets and liabilities associated with investing activities 1,168 (20,680)
Purchases of furniture, fixtures and other (853)  
Net cash used in investing activities (23,023) (32,583)
Proceeds from sales of assets   1,000
Financing activities:    
Borrowings of long-term debt - revolving bank credit facility   340,000
Repayments of long-term debt - revolving bank credit facility   (52,000)
Other (245) 83
Net cash provided by (used in) financing activities (2,301) 288,083
Increase in cash and cash equivalents 55,859 285,209
Cash and cash equivalents, beginning of period 70,236 85,414
Cash and cash equivalents, end of period 126,095 370,623
Parent Company    
Operating activities:    
Net income (loss) 25,030 (119,385)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 19,154 20,623
Debt issuance costs write-down/amortization of debt items 412 1,684
Share-based compensation 1,928 2,536
Derivative gain (3,955) (2,493)
Cash receipts on derivative settlements 713 4,105
Deferred income taxes 105 (3,676)
Earnings (loss) of affiliates (17,527) 73,029
Changes in operating assets and liabilities:    
Oil and natural gas receivables (2,004) 3,606
Joint interest and other receivables 35,142 4,991
Income taxes (5,451) (310)
Prepaid expenses and other assets (6,927) 3,072
Asset retirement obligation settlements (12,940) (584)
Accounts payable, accrued liabilities and other 46,764 14,761
Net cash provided by operating activities 80,444 1,959
Investing activities:    
Investment in oil and natural gas properties and equipment (23,593) (3,147)
Changes in operating assets and liabilities associated with investing activities 2,162 (2,686)
Purchases of furniture, fixtures and other (853)  
Net cash used in investing activities (22,284) (4,833)
Proceeds from sales of assets   1,000
Financing activities:    
Borrowings of long-term debt - revolving bank credit facility   340,000
Repayments of long-term debt - revolving bank credit facility   (52,000)
Other (245) 83
Net cash provided by (used in) financing activities (2,301) 288,083
Increase in cash and cash equivalents 55,859 285,209
Cash and cash equivalents, beginning of period 70,236 85,414
Cash and cash equivalents, end of period 126,095 370,623
Guarantor Subsidiaries    
Operating activities:    
Net income (loss) 17,527 (73,029)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 20,105 38,161
Ceiling test write-down of oil and natural gas properties   50,384
Deferred income taxes   (1,206)
Changes in operating assets and liabilities:    
Oil and natural gas receivables 122 4,559
Income taxes 5,451  
Prepaid expenses and other assets (42,395) (7,492)
Asset retirement obligation settlements (1,559) (2,596)
Accounts payable, accrued liabilities and other 1,488 18,969
Net cash provided by operating activities 739 27,750
Investing activities:    
Investment in oil and natural gas properties and equipment 255 (9,756)
Changes in operating assets and liabilities associated with investing activities (994) (17,994)
Net cash used in investing activities (739) (27,750)
11.00% 1.5 Lien Term Loan, Due November 2019    
Financing activities:    
Payment of interest on 1.5 Lien Term Loan (2,056)  
11.00% 1.5 Lien Term Loan, Due November 2019 | Parent Company    
Financing activities:    
Payment of interest on 1.5 Lien Term Loan (2,056)  
Eliminations    
Operating activities:    
Net income (loss) (18,258) 1,905
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 731 4,949
Ceiling test write-down of oil and natural gas properties   66,175
Earnings (loss) of affiliates 17,527 (73,029)
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 41,350 5,737
Accounts payable, accrued liabilities and other $ (41,350) $ (5,737)