Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Operating activities:    
Net income $ 21,026 $ 49,014
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 251,542 208,767
Amortization of debt issuance costs and premium 366 910
Share-based compensation 7,644 4,950
Derivative (gain) loss 20,571 (9,473)
Cash payments on derivative settlements (realized) (14,310) (2,310)
Deferred income taxes 11,921 23,726
Changes in operating assets and liabilities:    
Oil and natural gas receivables 2,335 17,063
Joint interest and other receivables 3,550 38,635
Income taxes 2,918 8,579
Prepaid expenses and other assets 4,439 (12,381)
Asset retirement obligation settlements (30,338) (32,886)
Accounts payable, accrued liabilities and other (10,614) 2,768
Net cash provided by operating activities 271,050 297,362
Investing activities:    
Acquisition of property interest in oil and natural gas properties (53,363)  
Investment in oil and natural gas properties and equipment (212,680) (299,213)
Purchases of furniture, fixtures and other (1,715) (981)
Net cash used in investing activities (267,758) (300,194)
Financing activities:    
Borrowings of long-term debt - revolving bank credit facility 220,000 252,000
Repayments of long-term debt - revolving bank credit facility (200,000) (239,000)
Dividends to shareholders (15,129) (12,795)
Other (116) (342)
Net cash provided (used) in financing activities 4,755 (137)
Increase in cash and cash equivalents 8,047 (2,969)
Cash and cash equivalents, beginning of period 15,800 12,245
Cash and cash equivalents, end of period 23,847 9,276
Eliminations
    
Operating activities:    
Net income (20,390) (21,641)
Adjustments to reconcile net income to net cash provided by operating activities:    
Earnings of affiliates 20,390 21,641
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 219,224 41,160
Accounts payable, accrued liabilities and other (219,224) (41,160)
Investing activities:    
Investment in subsidiary 58,698  
Net cash used in investing activities 58,698  
Financing activities:    
Investment from parent (58,698)  
Net cash provided (used) in financing activities (58,698)  
Parent Company
    
Operating activities:    
Net income 21,026 49,014
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 133,758 118,908
Amortization of debt issuance costs and premium 366 910
Share-based compensation 7,644 4,950
Derivative (gain) loss 20,571 (9,473)
Cash payments on derivative settlements (realized) (14,310) (2,310)
Deferred income taxes 25,078 11,357
Earnings of affiliates (20,390) (21,641)
Changes in operating assets and liabilities:    
Oil and natural gas receivables 7,636 15,673
Joint interest and other receivables 3,550 38,635
Income taxes (20,947) 9,378
Prepaid expenses and other assets (127,910) (26,487)
Asset retirement obligation settlements (18,583) (29,740)
Accounts payable, accrued liabilities and other 203,344 44,054
Net cash provided by operating activities 220,833 203,228
Investing activities:    
Investment in oil and natural gas properties and equipment (157,128) (205,079)
Investment in subsidiary (58,698)  
Purchases of furniture, fixtures and other (1,715) (981)
Net cash used in investing activities (217,541) (206,060)
Financing activities:    
Borrowings of long-term debt - revolving bank credit facility 220,000 252,000
Repayments of long-term debt - revolving bank credit facility (200,000) (239,000)
Dividends to shareholders (15,129) (12,795)
Other (116) (342)
Net cash provided (used) in financing activities 4,755 (137)
Increase in cash and cash equivalents 8,047 (2,969)
Cash and cash equivalents, beginning of period 15,800 12,245
Cash and cash equivalents, end of period 23,847 9,276
Guarantor Subsidiaries
    
Operating activities:    
Net income 20,390 21,641
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 117,784 89,859
Deferred income taxes (13,157) 12,369
Changes in operating assets and liabilities:    
Oil and natural gas receivables (5,301) 1,390
Income taxes 23,865 (799)
Prepaid expenses and other assets (86,875) (27,054)
Asset retirement obligation settlements (11,755) (3,146)
Accounts payable, accrued liabilities and other 5,266 (126)
Net cash provided by operating activities 50,217 94,134
Investing activities:    
Acquisition of property interest in oil and natural gas properties (53,363)  
Investment in oil and natural gas properties and equipment (55,552) (94,134)
Net cash used in investing activities (108,915) (94,134)
Financing activities:    
Investment from parent 58,698  
Net cash provided (used) in financing activities $ 58,698