Annual report pursuant to Section 13 and 15(d)

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

v2.4.0.8
Condensed Consolidating Financial Information - Condensed Consolidating Balance Sheets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current assets:        
Cash and cash equivalents $ 458,956 $ 167,088 $ 93,897 $ 2,468
Accounts receivable—oil and gas 58,824 25,615    
Accounts receivable-related parties 2,617 34,848    
Accounts receivable - intercompany    0    
Prepaid expenses and other current assets 2,581 1,506    
Deferred tax asset 6,927 0    
Short-term derivative instruments 324 664    
Note receivable - related party 875 0    
Total current assets 531,104 229,721    
Property and equipment:        
Oil and natural gas properties, full-cost accounting 2,477,178 1,611,090    
Other property and equipment 11,131 8,662    
Accumulated depletion, depreciation, amortization and impairment (784,717) (665,884)    
Property and equipment, net 1,703,592 953,868    
Other assets:        
Equity investments 440,068 381,484    
Derivative instruments 521 0    
Other assets 17,851 13,295    
Total other assets 458,440 394,779    
Total assets 2,693,136 1,578,368    
Current liabilities:        
Accounts payable and accrued liabilities 190,707 110,244    
Accounts payable - intercompany 0 0    
Asset retirement obligation—current 795 60    
Short-term derivative instruments 12,280 10,442    
Current maturities of long-term debt 159 150    
Total current liabilities 203,941 120,896    
Long-term derivative instrument 11,366 0    
Asset retirement obligation—long-term 14,288 13,215    
Deferred tax liability 114,275 18,607    
Long-term debt, net of current maturities 299,028 298,888    
Other non-current liabilities 0 354    
Total liabilities 642,898 451,960    
Stockholders’ equity:        
Common stock 851 674    
Paid-in capital 1,813,058 1,036,245    
Accumulated other comprehensive loss (9,781) (3,429)    
Retained earnings (accumulated deficit) 246,110 92,918    
Total stockholders’ equity 2,050,238 1,126,408 632,350 211,056
Total liabilities and stockholders’ equity 2,693,136 1,578,368    
Parent [Member]
        
Current assets:        
Cash and cash equivalents 451,431 165,293 93,124 2,459
Accounts receivable—oil and gas 58,662 25,070    
Accounts receivable-related parties 2,617 33,806    
Accounts receivable - intercompany 21,379 15,368    
Prepaid expenses and other current assets 2,581 1,506    
Deferred tax asset 6,927      
Short-term derivative instruments 324 664    
Note receivable - related party 875      
Total current assets 544,796 241,707    
Property and equipment:        
Oil and natural gas properties, full-cost accounting 2,470,411 1,606,172    
Other property and equipment 11,102 8,642    
Accumulated depletion, depreciation, amortization and impairment (784,695) (665,864)    
Property and equipment, net 1,696,818 948,950    
Other assets:        
Equity investments 432,727 374,209    
Derivative instruments 521      
Other assets 17,851 13,295    
Total other assets 451,099 387,504    
Total assets 2,692,713 1,578,161    
Current liabilities:        
Accounts payable and accrued liabilities 190,284 110,037    
Accounts payable - intercompany 0 0    
Asset retirement obligation—current 795 60    
Short-term derivative instruments 12,280 10,442    
Current maturities of long-term debt 159 150    
Total current liabilities 203,518 120,689    
Long-term derivative instrument 11,366      
Asset retirement obligation—long-term 14,288 13,215    
Deferred tax liability 114,275 18,607    
Long-term debt, net of current maturities 299,028 298,888    
Other non-current liabilities   354    
Total liabilities 642,475 451,753    
Stockholders’ equity:        
Common stock 851 674    
Paid-in capital 1,813,058 1,036,245    
Accumulated other comprehensive loss (9,781) (3,429)    
Retained earnings (accumulated deficit) 246,110 92,918    
Total stockholders’ equity 2,050,238 1,126,408    
Total liabilities and stockholders’ equity 2,692,713 1,578,161    
Guarantor [Member]
        
Current assets:        
Cash and cash equivalents 7,525 1,795 772 9
Accounts receivable—oil and gas 162 545    
Accounts receivable-related parties 0 1,042    
Accounts receivable - intercompany 27      
Prepaid expenses and other current assets    0    
Deferred tax asset 0      
Short-term derivative instruments    0    
Note receivable - related party 0      
Total current assets 7,714 3,382    
Property and equipment:        
Oil and natural gas properties, full-cost accounting 7,340 4,918    
Other property and equipment 29 20    
Accumulated depletion, depreciation, amortization and impairment (22) (20)    
Property and equipment, net 7,347 4,918    
Other assets:        
Equity investments    0    
Derivative instruments 0      
Other assets    0    
Total other assets          
Total assets 15,061 8,300    
Current liabilities:        
Accounts payable and accrued liabilities 423 207    
Accounts payable - intercompany 21,296 15,259    
Asset retirement obligation—current    0    
Short-term derivative instruments    0    
Current maturities of long-term debt    0    
Total current liabilities 21,719 15,466    
Long-term derivative instrument 0      
Asset retirement obligation—long-term 0 0    
Deferred tax liability    0    
Long-term debt, net of current maturities 0 0    
Other non-current liabilities   0    
Total liabilities 21,719 15,466    
Stockholders’ equity:        
Common stock    0    
Paid-in capital 322 322    
Accumulated other comprehensive loss    0    
Retained earnings (accumulated deficit) (6,980) (7,488)    
Total stockholders’ equity (6,658) (7,166)    
Total liabilities and stockholders’ equity 15,061 8,300    
Non-Guarantor [Member]
        
Current assets:        
Cash and cash equivalents 0 0 1 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    
Deferred tax asset 0      
Short-term derivative instruments 0 0    
Note receivable - related party 0      
Total current assets          
Property and equipment:        
Oil and natural gas properties, full-cost accounting    0    
Other property and equipment    0    
Accumulated depletion, depreciation, amortization and impairment    0    
Property and equipment, net    0    
Other assets:        
Equity investments 191,473 172,766    
Derivative instruments 0      
Other assets    0    
Total other assets 191,473 172,766    
Total assets 191,473 172,766    
Current liabilities:        
Accounts payable and accrued liabilities    0    
Accounts payable - intercompany 110 109    
Asset retirement obligation—current    0    
Short-term derivative instruments    0    
Current maturities of long-term debt    0    
Total current liabilities 110 109    
Long-term derivative instrument 0      
Asset retirement obligation—long-term 0 0    
Deferred tax liability    0    
Long-term debt, net of current maturities 0 0    
Other non-current liabilities   0    
Total liabilities 110 109    
Stockholders’ equity:        
Common stock    0    
Paid-in capital 208,277 174,348    
Accumulated other comprehensive loss (9,781) 2,442    
Retained earnings (accumulated deficit) (7,133) (4,133)    
Total stockholders’ equity 191,363 172,657    
Total liabilities and stockholders’ equity 191,473 172,766    
Eliminations [Member]
        
Current assets:        
Cash and cash equivalents 0 0 0 0
Accounts receivable—oil and gas    0    
Accounts receivable-related parties 0 0    
Accounts receivable - intercompany (21,406) (15,368)    
Prepaid expenses and other current assets    0    
Deferred tax asset 0      
Short-term derivative instruments    0    
Note receivable - related party 0      
Total current assets (21,406) (15,368)    
Property and equipment:        
Oil and natural gas properties, full-cost accounting (573) 0    
Other property and equipment    0    
Accumulated depletion, depreciation, amortization and impairment    0    
Property and equipment, net (573) 0    
Other assets:        
Equity investments (184,132) (165,491)    
Derivative instruments 0      
Other assets    0    
Total other assets (184,132) (165,491)    
Total assets (206,111) (180,859)    
Current liabilities:        
Accounts payable and accrued liabilities    0    
Accounts payable - intercompany (21,406) (15,368)    
Asset retirement obligation—current    0    
Short-term derivative instruments    0    
Current maturities of long-term debt    0    
Total current liabilities (21,406) (15,368)    
Long-term derivative instrument 0      
Asset retirement obligation—long-term 0 0    
Deferred tax liability    0    
Long-term debt, net of current maturities 0 0    
Other non-current liabilities   0    
Total liabilities (21,406) (15,368)    
Stockholders’ equity:        
Common stock    0    
Paid-in capital (208,599) (174,670)    
Accumulated other comprehensive loss 9,781 (2,442)    
Retained earnings (accumulated deficit) 14,113 11,621    
Total stockholders’ equity (184,705) (165,491)    
Total liabilities and stockholders’ equity $ (206,111) $ (180,859)