XML 61 R51.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidating Financial Information (Schedule Of Condensed Consolidating Balance Sheet) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2011
Dec. 31, 2010
ASSETS        
Cash and cash equivalents $ 280,303 $ 470,872 $ 163,601 $ 143,520
Short-term investments 126,213 19,994    
Accounts receivable - oil and gas revenues 104,965 52,164    
Accounts receivable - joint interest partners 83,630 67,268    
Inventory 21,142 3,543    
Prepaid expenses 4,030 2,140    
Advances to joint interest partners 4,025 3,935    
Derivative instruments 17,320      
Deferred income taxes   3,233    
Other current assets 78 491    
Total current assets 641,706 623,640    
Property, plant and equipment        
Oil and gas properties (successful efforts method) 2,079,016 1,235,357    
Other property and equipment 45,261 20,859    
Less: accumulated depreciation, depletion, amortization and impairment (320,478) (176,261)    
Total property, plant and equipment, net 1,803,799 1,079,955    
Derivative instruments 10,047 4,362    
Deferred costs and other assets 25,349 19,425    
Total assets 2,480,901 1,727,382    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable 30,954 12,207    
Advances from joint interest partners 26,572 9,064    
Revenues and production taxes payable 64,091 19,468    
Accrued liabilities 200,544 119,692    
Accrued interest payable 22,481 15,774    
Derivative instruments 1,273 5,907    
Deferred income taxes 3,782      
Other current liabilities 5,256 472    
Total current liabilities 354,953 182,584    
Long-term debt 1,200,000 800,000    
Asset retirement obligations 20,529 13,075    
Derivative instruments 360 3,505    
Deferred income taxes 152,617 92,983    
Other liabilities 2,078 997    
Total liabilities 1,730,537 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 923 921    
Treasury stock, at cost; 22,479 shares (1,901) (602)    
Additional paid-in-capital 653,999 647,374    
Retained earnings 97,343 (13,455)    
Total stockholders' equity 750,364 634,238    
Total liabilities and stockholders' equity 2,480,901 1,727,382    
Parent/Issuer [Member]
        
ASSETS        
Cash and cash equivalents 231,170 443,482 120,330 119,940
Short-term investments 126,213 19,994    
Accounts receivable - from affiliates 291 88    
Prepaid expenses 501 309    
Other current assets 78 18    
Total current assets 358,253 463,891    
Property, plant and equipment        
Investments in and advances to subsidiaries 1,563,143 958,880    
Deferred income taxes 33,616 13,158    
Deferred costs and other assets 21,405 15,742    
Total assets 1,976,417 1,451,671    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable 4 23    
Accounts payable - from affiliates 3,559 1,540    
Accrued liabilities 25 103    
Accrued interest payable 22,465 15,767    
Total current liabilities 26,053 17,433    
Long-term debt 1,200,000 800,000    
Total liabilities 1,226,053 817,433    
Stockholders' equity        
Common stock, $0.01 par value; 300,000,000 shares authorized; 92,483,393 issued and 92,460,914 outstanding 923 921    
Treasury stock, at cost; 22,479 shares (1,901) (602)    
Additional paid-in-capital 653,999 647,374    
Retained earnings 97,343 (13,455)    
Total stockholders' equity 750,364 634,238    
Total liabilities and stockholders' equity 1,976,417 1,451,671    
Combined Guarantor Subsidiaries [Member]
        
ASSETS        
Cash and cash equivalents 49,133 27,390 43,271 23,580
Accounts receivable - oil and gas revenues 104,965 52,164    
Accounts receivable - joint interest partners 83,630 67,268    
Accounts receivable - from affiliates 3,559 1,540    
Inventory 21,142 3,543    
Prepaid expenses 3,529 1,831    
Advances to joint interest partners 4,025 3,935    
Derivative instruments 17,320      
Deferred income taxes   3,233    
Other current assets   473    
Total current assets 287,303 161,377    
Property, plant and equipment        
Oil and gas properties (successful efforts method) 2,079,016 1,235,357    
Other property and equipment 45,261 20,859    
Less: accumulated depreciation, depletion, amortization and impairment (320,478) (176,261)    
Total property, plant and equipment, net 1,803,799 1,079,955    
Derivative instruments 10,047 4,362    
Deferred costs and other assets 3,944 3,683    
Total assets 2,105,093 1,249,377    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable 30,950 12,184    
Accounts payable - from affiliates 291 88    
Advances from joint interest partners 26,572 9,064    
Revenues and production taxes payable 64,091 19,468    
Accrued liabilities 200,519 119,589    
Accrued interest payable 16 7    
Derivative instruments 1,273 5,907    
Deferred income taxes 3,782      
Other current liabilities 5,256 472    
Total current liabilities 332,750 166,779    
Asset retirement obligations 20,529 13,075    
Derivative instruments 360 3,505    
Deferred income taxes 186,233 106,141    
Other liabilities 2,078 997    
Total liabilities 541,950 290,497    
Stockholders' equity        
Capital contributions from affiliates 1,400,817 941,575    
Additional paid-in-capital 8,743 8,743    
Retained earnings 153,583 8,562    
Total stockholders' equity 1,563,143 958,880    
Total liabilities and stockholders' equity 2,105,093 1,249,377    
Intercompany Eliminations [Member]
        
ASSETS        
Accounts receivable - from affiliates (3,850) (1,628)    
Total current assets (3,850) (1,628)    
Property, plant and equipment        
Investments in and advances to subsidiaries (1,563,143) (958,880)    
Deferred income taxes (33,616) (13,158)    
Total assets (1,600,609) (973,666)    
LIABILITIES AND STOCKHOLDERS' EQUITY        
Accounts payable - from affiliates (3,850) (1,628)    
Total current liabilities (3,850) (1,628)    
Deferred income taxes (33,616) (13,158)    
Total liabilities (37,466) (14,786)    
Stockholders' equity        
Capital contributions from affiliates (1,400,817) (941,575)    
Additional paid-in-capital (8,743) (8,743)    
Retained earnings (153,583) (8,562)    
Total stockholders' equity (1,563,143) (958,880)    
Total liabilities and stockholders' equity $ (1,600,609) $ (973,666)