Current report filing

Condensed Consolidating Financial Statements - Condensed Consolidating Balance Sheets (Details)

v2.4.0.8
Condensed Consolidating Financial Statements - Condensed Consolidating Balance Sheets (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Current assets:            
Cash and cash equivalents $ 225,980,000 $ 167,088,000 $ 12,893,000 $ 93,897,000 $ 2,468,000 $ 1,724,000
Accounts receivable - oil and gas 22,023,000 25,615,000   28,019,000    
Accounts receivable - related parties 37,062,000 34,848,000   4,731,000    
Accounts receivable - intercompany 0            
Prepaid expenses and other current assets 1,435,000 1,506,000   1,327,000    
Short-term derivative instruments 343,000 664,000   1,601,000    
Total current assets 286,843,000 229,721,000   129,575,000    
Property and equipment:            
Oil and natural gas properties 1,932,419,000 1,611,090,000   1,035,754,000    
Other property and equipment 8,924,000 8,662,000   8,024,000    
Accumulated depletion, depreciation, amortization and impairment (688,467,000) (665,884,000)   (575,142,000)    
Property and equipment, net 1,252,876,000 953,868,000   468,636,000    
Other assets:            
Equity investments 451,592,000 381,484,000   86,824,000    
Other assets 13,159,000 13,295,000   5,123,000    
Total other assets 464,751,000 394,779,000   91,947,000    
Deferred tax asset   0   1,000,000    
Total assets 2,004,470,000 1,578,368,000   691,158,000    
Current liabilities:            
Accounts payable and accrued liabilities 109,777,000 110,244,000   43,872,000    
Accounts payable - intercompany 0            
Asset retirement obligation - current 780,000 60,000 620,000 620,000    
Short-term derivative instruments 9,689,000 10,442,000         
Deferred tax liability 158,000 0        
Current maturities of long-term debt 152,000 150,000   141,000    
Total current liabilities 120,556,000 120,896,000   44,633,000    
Asset retirement obligation - long-term 12,560,000 13,215,000 12,276,000 12,033,000    
Deferred tax liability 45,382,000 18,607,000   0    
Long-term debt, net of current maturities 298,921,000 298,888,000   2,142,000    
Other non-current liabilities 142,000 354,000   0    
Total liabilities 477,561,000 451,960,000   58,808,000    
Stockholders' equity:            
Common stock 773,000 674,000   556,000    
Paid-in capital 1,395,288,000 1,036,245,000   604,584,000    
Accumulated other comprehensive income (loss) (6,629,000) (3,429,000)   2,663,000    
Retained earnings (accumulated deficit) 137,477,000 92,918,000   24,547,000    
Total stockholders' equity 1,526,909,000 1,126,408,000 650,572,000 632,350,000 211,056,000 125,051,000
Total liabilities and stockholders' equity 2,004,470,000 1,578,368,000   691,158,000    
Parent [Member]
            
Current assets:            
Cash and cash equivalents 225,269,000 165,293,000 11,847,000 93,124,000 2,459,000 1,626,000
Accounts receivable - oil and gas 21,495,000 25,070,000   27,532,000    
Accounts receivable - related parties 35,031,000 33,806,000   4,731,000    
Accounts receivable - intercompany 15,604,000 15,368,000   11,267,000    
Prepaid expenses and other current assets 1,435,000 1,506,000   1,327,000    
Short-term derivative instruments 343,000 664,000   1,601,000    
Total current assets 299,177,000 241,707,000   139,582,000    
Property and equipment:            
Oil and natural gas properties 1,927,051,000 1,606,172,000   1,026,017,000    
Other property and equipment 8,897,000 8,642,000   8,004,000    
Accumulated depletion, depreciation, amortization and impairment (688,447,000) (665,864,000)   (575,122,000)    
Property and equipment, net 1,247,501,000 948,950,000   458,899,000    
Other assets:            
Equity investments 444,422,000 374,209,000   86,426,000    
Other assets 13,159,000 13,295,000   5,123,000    
Total other assets 457,581,000 387,504,000   91,549,000    
Deferred tax asset   0   1,000,000    
Total assets 2,004,259,000 1,578,161,000   691,030,000    
Current liabilities:            
Accounts payable and accrued liabilities 109,566,000 110,037,000   43,744,000    
Accounts payable - intercompany 0 0         
Asset retirement obligation - current 780,000 60,000   620,000    
Short-term derivative instruments 9,689,000 10,442,000        
Deferred tax liability 158,000          
Current maturities of long-term debt 152,000 150,000   141,000    
Total current liabilities 120,345,000 120,689,000   44,505,000    
Asset retirement obligation - long-term 12,560,000 13,215,000   12,033,000    
Deferred tax liability 45,382,000 18,607,000        
Long-term debt, net of current maturities 298,921,000 298,888,000   2,142,000    
Other non-current liabilities 142,000 354,000        
Total liabilities 477,350,000 451,753,000   58,680,000    
Stockholders' equity:            
Common stock 773,000 674,000   556,000    
Paid-in capital 1,395,288,000 1,036,245,000   604,584,000    
Accumulated other comprehensive income (loss) (6,629,000) (3,429,000)   2,663,000    
Retained earnings (accumulated deficit) 137,477,000 92,918,000   24,547,000    
Total stockholders' equity 1,526,909,000 1,126,408,000   632,350,000    
Total liabilities and stockholders' equity 2,004,259,000 1,578,161,000   691,030,000    
Guarantor [Member]
            
Current assets:            
Cash and cash equivalents 710,000 1,795,000 1,045,000 772,000 9,000 98,000
Accounts receivable - oil and gas 528,000 545,000   487,000    
Accounts receivable - related parties 2,031,000 1,042,000         
Accounts receivable - intercompany 0          
Prepaid expenses and other current assets 0 0         
Short-term derivative instruments 0 0         
Total current assets 3,269,000 3,382,000   1,259,000    
Property and equipment:            
Oil and natural gas properties 5,368,000 4,918,000   9,737,000    
Other property and equipment 27,000 20,000   20,000    
Accumulated depletion, depreciation, amortization and impairment (20,000) (20,000)   (20,000)    
Property and equipment, net 5,375,000 4,918,000   9,737,000    
Other assets:            
Equity investments 0            
Other assets 0            
Total other assets 0            
Deferred tax asset   0         
Total assets 8,644,000 8,300,000   10,996,000    
Current liabilities:            
Accounts payable and accrued liabilities 211,000 207,000   128,000    
Accounts payable - intercompany 15,495,000 15,259,000   11,231,000    
Asset retirement obligation - current 0 0         
Short-term derivative instruments 0 0        
Deferred tax liability 0          
Current maturities of long-term debt 0 0         
Total current liabilities 15,706,000 15,466,000   11,359,000    
Asset retirement obligation - long-term 0 0         
Deferred tax liability 0 0        
Long-term debt, net of current maturities 0 0         
Other non-current liabilities 0 0        
Total liabilities 15,706,000 15,466,000   11,359,000    
Stockholders' equity:            
Common stock 0            
Paid-in capital 322,000 322,000   322,000    
Accumulated other comprehensive income (loss) 0            
Retained earnings (accumulated deficit) (7,384,000) (7,488,000)   (685,000)    
Total stockholders' equity (7,062,000) (7,166,000)   (363,000)    
Total liabilities and stockholders' equity 8,644,000 8,300,000   10,996,000    
Non-Guarantor [Member]
            
Current assets:            
Cash and cash equivalents 1,000 0 1,000 1,000 0 0
Accounts receivable - oil and gas 0 0         
Accounts receivable - related parties 0 0         
Accounts receivable - intercompany 0          
Prepaid expenses and other current assets 0 0         
Short-term derivative instruments 0 0         
Total current assets 1,000      1,000    
Property and equipment:            
Oil and natural gas properties 0 0         
Other property and equipment 0 0         
Accumulated depletion, depreciation, amortization and impairment 0 0         
Property and equipment, net 0            
Other assets:            
Equity investments 176,196,000 172,766,000   69,008,000    
Other assets 0            
Total other assets 176,196,000 172,766,000   69,008,000    
Deferred tax asset   0         
Total assets 176,197,000 172,766,000   69,009,000    
Current liabilities:            
Accounts payable and accrued liabilities 0            
Accounts payable - intercompany 109,000 109,000   36,000    
Asset retirement obligation - current 0 0         
Short-term derivative instruments 0 0        
Deferred tax liability 0          
Current maturities of long-term debt 0 0         
Total current liabilities 109,000 109,000   36,000    
Asset retirement obligation - long-term 0 0         
Deferred tax liability 0 0        
Long-term debt, net of current maturities 0 0         
Other non-current liabilities 0 0        
Total liabilities 109,000 109,000   36,000    
Stockholders' equity:            
Common stock 0            
Paid-in capital 181,878,000 174,348,000   70,433,000    
Accumulated other comprehensive income (loss) (1,125,000) 2,442,000   1,087,000    
Retained earnings (accumulated deficit) (4,665,000) (4,133,000)   (2,547,000)    
Total stockholders' equity 176,088,000 172,657,000   68,973,000    
Total liabilities and stockholders' equity 176,197,000 172,766,000   69,009,000    
Eliminations [Member]
            
Current assets:            
Cash and cash equivalents 0 0 0 0 0 0
Accounts receivable - oil and gas 0 0         
Accounts receivable - related parties 0 0         
Accounts receivable - intercompany (15,604,000) (15,368,000)   (11,267,000)    
Prepaid expenses and other current assets 0 0         
Short-term derivative instruments 0 0         
Total current assets (15,604,000) (15,368,000)   (11,267,000)    
Property and equipment:            
Oil and natural gas properties 0 0         
Other property and equipment 0 0         
Accumulated depletion, depreciation, amortization and impairment 0 0         
Property and equipment, net 0            
Other assets:            
Equity investments (169,026,000) (165,491,000)   (68,610,000)    
Other assets 0            
Total other assets (169,026,000) (165,491,000)   (68,610,000)    
Deferred tax asset   0         
Total assets (184,630,000) (180,859,000)   (79,877,000)    
Current liabilities:            
Accounts payable and accrued liabilities 0            
Accounts payable - intercompany (15,604,000) (15,368,000)   (11,267,000)    
Asset retirement obligation - current 0 0         
Short-term derivative instruments 0 0        
Deferred tax liability 0          
Current maturities of long-term debt 0 0         
Total current liabilities (15,604,000) (15,368,000)   (11,267,000)    
Asset retirement obligation - long-term 0 0         
Deferred tax liability 0 0        
Long-term debt, net of current maturities 0 0         
Other non-current liabilities 0 0        
Total liabilities (15,604,000) (15,368,000)   (11,267,000)    
Stockholders' equity:            
Common stock 0            
Paid-in capital (182,200,000) (174,670,000)   (70,755,000)    
Accumulated other comprehensive income (loss) 1,125,000 (2,442,000)   (1,087,000)    
Retained earnings (accumulated deficit) 12,049,000 11,621,000   3,232,000    
Total stockholders' equity (169,026,000) (165,491,000)   (68,610,000)    
Total liabilities and stockholders' equity $ (184,630,000) $ (180,859,000)   $ (79,877,000)