XML 38 R81.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidating Financial Statements - Schedule of Consolidating Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
ASSETS        
Cash and cash equivalents $ 213,447 $ 470,872 $ 143,520 $ 40,562
Short-term investments 25,891 19,994    
Accounts receivable - oil and gas revenues 110,341 52,164    
Accounts receivable - joint interest partners 99,194 67,268    
Accounts receivable - affiliates          
Inventory 20,707 3,543    
Prepaid expenses 1,770 2,140    
Advances to joint interest partners 1,985 3,935    
Derivative instruments 19,016      
Deferred income taxes   3,233    
Other current assets 335 491    
Total current assets 492,686 623,640    
Property, plant and equipment        
Oil and gas properties (successful efforts method) 2,348,128 1,235,357    
Other property and equipment 49,732 20,859    
Less: accumulated depreciation, depletion, amortization and impairment (391,260) (176,261)    
Total property, plant and equipment, net 2,006,600 1,079,955    
Derivative instruments 4,981 4,362    
Deferred costs and other assets 24,527 19,425    
Total assets 2,528,794 1,727,382    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable 12,491 12,207    
Accounts payable - affiliates          
Advances from joint interest partners 21,176 9,064    
Revenues and production taxes payable 71,553 19,468    
Accrued liabilities 189,863 119,692    
Accrued interest payable 30,096 15,774    
Derivative instruments 1,048 5,907    
Deferred income taxes 4,558      
Other current liabilities   472    
Total current liabilities 330,785 182,584    
Long-term debt 1,200,000 800,000    
Asset retirement obligations 22,956 13,075    
Derivative instruments 380 3,505    
Deferred income taxes 177,671 92,983    
Other liabilities 1,997 997    
Total liabilities 1,733,789 1,093,144    
Stockholders' equity        
Common stock, $0.01 par value; 300,000,000 shares authorized; 92,483,393 issued and 92,460,914 outstanding 925 921    
Treasury stock, at cost; 129,414 and 22,479 shares at December 31, 2012 and 2011, respectively (3,796) (602)    
Additional paid-in-capital 657,943 647,374    
Retained earnings (deficit) 139,933 (13,455)    
Total stockholders' equity 795,005 634,238 551,794 171,850
Total liabilities and stockholders' equity 2,528,794 1,727,382    
Parent/Issuer [Member]
        
ASSETS        
Cash and cash equivalents 133,797 443,482 119,940  
Short-term investments 25,891 19,994    
Accounts receivable - affiliates 310 88    
Prepaid expenses 313 309    
Other current assets 235 18    
Total current assets 160,546 463,891    
Property, plant and equipment        
Investments in and advances to subsidiaries 1,807,010 958,880    
Deferred income taxes 42,746 13,158    
Deferred costs and other assets 20,748 15,742    
Total assets 2,031,050 1,451,671    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable 9 23    
Accounts payable - affiliates 5,845 1,540    
Accrued liabilities 100 103    
Accrued interest payable 30,091 15,767    
Total current liabilities 36,045 17,433    
Long-term debt 1,200,000 800,000    
Total liabilities 1,236,045 817,433    
Stockholders' equity        
Common stock, $0.01 par value; 300,000,000 shares authorized; 92,483,393 issued and 92,460,914 outstanding 925 921    
Treasury stock, at cost; 129,414 and 22,479 shares at December 31, 2012 and 2011, respectively (3,796) (602)    
Additional paid-in-capital 657,943 647,374    
Retained earnings (deficit) 139,933 (13,455)    
Total stockholders' equity 795,005 634,238    
Total liabilities and stockholders' equity 2,031,050 1,451,671    
Combined Guarantor Subsidiaries [Member]
        
ASSETS        
Cash and cash equivalents 79,650 27,390 23,580 40,562
Accounts receivable - oil and gas revenues 110,341 52,164    
Accounts receivable - joint interest partners 99,194 67,268    
Accounts receivable - affiliates 5,845 1,540    
Inventory 20,707 3,543    
Prepaid expenses 1,457 1,831    
Advances to joint interest partners 1,985 3,935    
Derivative instruments 19,016      
Deferred income taxes   3,233    
Other current assets 100 473    
Total current assets 338,295 161,377    
Property, plant and equipment        
Oil and gas properties (successful efforts method) 2,348,128 1,235,357    
Other property and equipment 49,732 20,859    
Less: accumulated depreciation, depletion, amortization and impairment (391,260) (176,261)    
Total property, plant and equipment, net 2,006,600 1,079,955    
Derivative instruments 4,981 4,362    
Deferred costs and other assets 3,779 3,683    
Total assets 2,353,655 1,249,377    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable 12,482 12,184    
Accounts payable - affiliates 310 88    
Advances from joint interest partners 21,176 9,064    
Revenues and production taxes payable 71,553 19,468    
Accrued liabilities 189,763 119,589    
Accrued interest payable 5 7    
Derivative instruments 1,048 5,907    
Deferred income taxes 4,558      
Other current liabilities   472    
Total current liabilities 300,895 166,779    
Asset retirement obligations 22,956 13,075    
Derivative instruments 380 3,505    
Deferred income taxes 220,417 106,141    
Other liabilities 1,997 997    
Total liabilities 546,645 290,497    
Stockholders' equity        
Capital contributions from affiliates 1,586,780 941,575    
Additional paid-in-capital 8,743 8,743    
Retained earnings (deficit) 211,487 8,562    
Total stockholders' equity 1,807,010 958,880    
Total liabilities and stockholders' equity 2,353,655 1,249,377    
Intercompany Eliminations [Member]
        
ASSETS        
Cash and cash equivalents            
Accounts receivable - affiliates (6,155) (1,628)    
Total current assets (6,155) (1,628)    
Property, plant and equipment        
Investments in and advances to subsidiaries (1,807,010) (958,880)    
Deferred income taxes (42,746) (13,158)    
Total assets (1,855,911) (973,666)    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable - affiliates (6,155) (1,628)    
Total current liabilities (6,155) (1,628)    
Deferred income taxes (42,746) (13,158)    
Total liabilities (48,901) (14,786)    
Stockholders' equity        
Capital contributions from affiliates (1,586,780) (941,575)    
Additional paid-in-capital (8,743) (8,743)    
Retained earnings (deficit) (211,487) (8,562)    
Total stockholders' equity (1,807,010) (958,880)    
Total liabilities and stockholders' equity $ (1,855,911) $ (973,666)