Quarterly report pursuant to Section 13 or 15(d)

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

v3.3.0.814
Condensed Consolidating Financial Information - Condensed Consolidating Balance Sheets (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Dec. 31, 2013
Current assets:        
Cash and cash equivalents $ 228,111 $ 142,340 $ 152,883 $ 458,956
Accounts receivable—oil and gas 66,271 103,858    
Accounts receivable - related parties 149 46    
Accounts receivable - intercompany   0    
Prepaid expenses and other current assets 16,156 3,714    
Short-term derivative instruments 116,100 78,391    
Total current assets 426,787 328,349    
Property and equipment:        
Oil and natural gas properties 5,258,762 3,923,154    
Other property and equipment 27,670 18,344    
Accumulated depletion, depreciation, amortization and impairment (1,896,413) (1,050,879)    
Property and equipment, net 3,390,019 2,890,619    
Other assets:        
Equity investments and investments in subsidiaries 295,103 369,581    
Derivative instruments 51,171 24,448    
Deferred tax asset 27,368 0    
Other assets 24,982 19,396    
Total other assets 398,624 413,425    
Total assets 4,215,430 3,632,393    
Current liabilities:        
Accounts payable and accrued liabilities 312,116 371,410    
Accounts payable - intercompany 0 0    
Asset retirement obligation—current 75 75 75  
Deferred tax liability - current 38,734 27,070    
Short-term derivative instruments 2,351      
Current maturities of long-term debt 1,695 168    
Total current liabilities 354,971 398,723    
Long-term derivative instrument 3,208 0    
Asset retirement obligation—long-term 23,073 17,863 16,318  
Deferred tax liability 0 203,195    
Long-term debt, net of current maturities 963,048 716,316    
Total liabilities 1,344,300 1,336,097    
Stockholders’ equity:        
Common stock 1,082 856    
Paid-in capital 2,820,500 1,828,602    
Accumulated other comprehensive (loss) income (49,950) (26,675)    
Retained earnings (accumulated deficit) 99,498 493,513    
Total stockholders’ equity 2,871,130 2,296,296 2,189,470 2,050,238
Total liabilities and stockholders’ equity 4,215,430 3,632,393    
Parent [Member]        
Current assets:        
Cash and cash equivalents 226,161 141,535 152,479 451,431
Accounts receivable—oil and gas 66,228 103,762    
Accounts receivable - related parties 149 46    
Accounts receivable - intercompany 334,886 45,222    
Prepaid expenses and other current assets 16,156 3,714    
Short-term derivative instruments 116,100 78,391    
Total current assets 759,680 372,670    
Property and equipment:        
Oil and natural gas properties 4,934,813 3,887,874    
Other property and equipment 27,627 18,301    
Accumulated depletion, depreciation, amortization and impairment (1,896,385) (1,050,855)    
Property and equipment, net 3,066,055 2,855,320    
Other assets:        
Equity investments and investments in subsidiaries 285,980 360,238    
Derivative instruments 51,171 24,448    
Deferred tax asset 27,368      
Other assets 24,982 19,396    
Total other assets 389,501 404,082    
Total assets 4,215,236 3,632,072    
Current liabilities:        
Accounts payable and accrued liabilities 311,922 371,089    
Accounts payable - intercompany 0 0    
Asset retirement obligation—current 75 75    
Deferred tax liability - current 38,734 27,070    
Short-term derivative instruments 2,351      
Current maturities of long-term debt 1,695 168    
Total current liabilities 354,777 398,402    
Long-term derivative instrument 3,208      
Asset retirement obligation—long-term 23,073 17,863    
Deferred tax liability   203,195    
Long-term debt, net of current maturities 963,048 716,316    
Total liabilities 1,344,106 1,335,776    
Stockholders’ equity:        
Common stock 1,082 856    
Paid-in capital 2,820,500 1,828,602    
Accumulated other comprehensive (loss) income (49,950) (26,675)    
Retained earnings (accumulated deficit) 99,498 493,513    
Total stockholders’ equity 2,871,130 2,296,296    
Total liabilities and stockholders’ equity 4,215,236 3,632,072    
Guarantors [Member]        
Current assets:        
Cash and cash equivalents 1,949 804 404 7,525
Accounts receivable—oil and gas 43 96    
Accounts receivable - related parties 0 0    
Accounts receivable - intercompany 55 27    
Prepaid expenses and other current assets   0    
Short-term derivative instruments 0 0    
Total current assets 2,047 927    
Property and equipment:        
Oil and natural gas properties 324,678 35,990    
Other property and equipment 43 43    
Accumulated depletion, depreciation, amortization and impairment (28) (24)    
Property and equipment, net 324,693 36,009    
Other assets:        
Equity investments and investments in subsidiaries   0    
Derivative instruments 0 0    
Deferred tax asset 0      
Other assets   0    
Total assets 326,740 36,936    
Current liabilities:        
Accounts payable and accrued liabilities 194 321    
Accounts payable - intercompany 334,817 45,143    
Asset retirement obligation—current   0    
Deferred tax liability - current   0    
Current maturities of long-term debt   0    
Total current liabilities 335,011 45,464    
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    
Total liabilities 335,011 45,464    
Stockholders’ equity:        
Common stock   0    
Paid-in capital 322 322    
Accumulated other comprehensive (loss) income   0    
Retained earnings (accumulated deficit) (8,593) (8,850)    
Total stockholders’ equity (8,271) (8,528)    
Total liabilities and stockholders’ equity 326,740 36,936    
Non-Guarantor [Member]        
Current assets:        
Cash and cash equivalents 1 1 0 0
Accounts receivable—oil and gas 0 0    
Accounts receivable - related parties 0 0    
Accounts receivable - intercompany 0 0    
Prepaid expenses and other current assets 0 0    
Short-term derivative instruments 0 0    
Total current assets 1 1    
Property and equipment:        
Oil and natural gas properties   0    
Other property and equipment   0    
Accumulated depletion, depreciation, amortization and impairment   0    
Property and equipment, net   0    
Other assets:        
Equity investments and investments in subsidiaries 99,489 180,217    
Derivative instruments 0 0    
Deferred tax asset 0      
Other assets   0    
Total other assets 99,489 180,217    
Total assets 99,490 180,218    
Current liabilities:        
Accounts payable and accrued liabilities   0    
Accounts payable - intercompany 124 106    
Asset retirement obligation—current   0    
Deferred tax liability - current   0    
Current maturities of long-term debt   0    
Total current liabilities 124 106    
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    
Total liabilities 124 106    
Stockholders’ equity:        
Common stock   0    
Paid-in capital 240,916 227,079    
Accumulated other comprehensive (loss) income (49,950) (26,675)    
Retained earnings (accumulated deficit) (91,600) (20,292)    
Total stockholders’ equity 99,366 180,112    
Total liabilities and stockholders’ equity 99,490 180,218    
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 (334,941) (45,249)    
Prepaid expenses and other current assets   0    
Short-term derivative instruments 0 0    
Total current assets (334,941) (45,249)    
Property and equipment:        
Oil and natural gas properties (729) (710)    
Other property and equipment   0    
Accumulated depletion, depreciation, amortization and impairment   0    
Property and equipment, net (729) (710)    
Other assets:        
Equity investments and investments in subsidiaries (90,366) (170,874)    
Derivative instruments 0 0    
Deferred tax asset 0      
Other assets   0    
Total other assets (90,366) (170,874)    
Total assets (426,036) (216,833)    
Current liabilities:        
Accounts payable and accrued liabilities   0    
Accounts payable - intercompany (334,941) (45,249)    
Asset retirement obligation—current   0    
Deferred tax liability - current   0    
Current maturities of long-term debt   0    
Total current liabilities (334,941) (45,249)    
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    
Total liabilities (334,941) (45,249)    
Stockholders’ equity:        
Common stock   0    
Paid-in capital (241,238) (227,401)    
Accumulated other comprehensive (loss) income 49,950 26,675    
Retained earnings (accumulated deficit) 100,193 29,142    
Total stockholders’ equity (91,095) (171,584)    
Total liabilities and stockholders’ equity $ (426,036) $ (216,833)