Quarterly report pursuant to Section 13 or 15(d)

Supplemental Guarantor Information - Condensed Consolidating Balance Sheet (Details)

v3.10.0.1
Supplemental Guarantor Information - Condensed Consolidating Balance Sheet (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 339,063 $ 99,058
Receivables:    
Oil and natural gas sales 49,482 45,443
Joint interest 16,493 19,754
Income taxes 65,240 13,006
Total receivables 131,215 78,203
Prepaid expenses and other assets 19,699 13,419
Total current assets 489,977 190,680
Oil and natural gas properties and other, net 522,781 579,016
Restricted deposits for asset retirement obligations 20,577 25,394
Income taxes receivable   52,097
Other assets 69,014 60,393
Total assets 1,102,349 907,580
Current liabilities:    
Accounts payable 95,502 79,667
Undistributed oil and natural gas proceeds 34,225 20,129
Advances from joint interest partners 31,012 3,998
Asset retirement obligations 30,207 23,613
Current maturities of long-term debt:    
Principal 189,829  
Carrying value adjustments 34,985 22,925
Current maturities of long-term debt - carrying value 224,814 22,925
Accrued liabilities 31,058 17,930
Total current liabilities 446,818 168,262
Long-term debt:    
Principal 713,365 889,790
Carrying value adjustments 45,758 79,337
Long term debt, less current portion - carrying value 759,123 969,127
Asset retirement obligations, less current portion 283,009 276,833
Other liabilities 73,175 66,866
Shareholders’ equity (deficit):    
Common stock 1 1
Additional paid-in capital 549,569 545,820
Retained earnings (deficit) (985,179) (1,095,162)
Treasury stock, at cost (24,167) (24,167)
Total shareholders' equity (deficit) (459,776) (573,508)
Total liabilities and shareholders' equity (deficit) 1,102,349 907,580
Parent Company    
Current assets:    
Cash and cash equivalents 339,063 99,058
Receivables:    
Oil and natural gas sales 7,946 5,665
Joint interest 16,493 19,754
Income taxes 199,203 128,835
Total receivables 223,642 154,254
Prepaid expenses and other assets 16,707 11,154
Total current assets 579,412 264,466
Oil and natural gas properties and other, net 372,660 430,354
Restricted deposits for asset retirement obligations 20,577 25,394
Income taxes receivable   52,097
Other assets 637,886 505,304
Total assets 1,610,535 1,277,615
Current liabilities:    
Accounts payable 90,260 72,705
Undistributed oil and natural gas proceeds 32,806 18,762
Advances from joint interest partners 31,012 3,998
Asset retirement obligations 19,479 22,488
Current maturities of long-term debt:    
Principal 189,829  
Carrying value adjustments 34,985  
Current maturities of long-term debt - carrying value 224,814 22,925
Accrued liabilities 31,076 18,058
Total current liabilities 429,447 158,936
Long-term debt:    
Principal 713,365 889,790
Carrying value adjustments 45,758 79,337
Long term debt, less current portion - carrying value 759,123 969,127
Asset retirement obligations, less current portion 162,835 152,883
Other liabilities 708,461 566,375
Shareholders’ equity (deficit):    
Common stock 1 1
Additional paid-in capital 549,569 545,820
Retained earnings (deficit) (974,734) (1,091,360)
Treasury stock, at cost (24,167) (24,167)
Total shareholders' equity (deficit) (449,331) (569,706)
Total liabilities and shareholders' equity (deficit) 1,610,535 1,277,615
Guarantor Subsidiaries    
Receivables:    
Oil and natural gas sales 40,972 39,778
Total receivables 40,972 39,778
Prepaid expenses and other assets 2,956 2,265
Total current assets 43,928 42,043
Oil and natural gas properties and other, net 111,907 152,464
Other assets 589,084 453,306
Total assets 744,919 647,813
Current liabilities:    
Accounts payable 7,318 6,962
Undistributed oil and natural gas proceeds 1,419 1,367
Asset retirement obligations 10,728 1,125
Current maturities of long-term debt:    
Accrued liabilities 133,945 115,701
Total current liabilities 153,410 125,155
Long-term debt:    
Asset retirement obligations, less current portion 120,154 123,950
Shareholders’ equity (deficit):    
Additional paid-in capital 704,885 704,885
Retained earnings (deficit) (233,530) (306,177)
Total shareholders' equity (deficit) 471,355 398,708
Total liabilities and shareholders' equity (deficit) 744,919 647,813
Non-Guarantor Adjustments    
Receivables:    
Oil and natural gas sales 564  
Total receivables 564  
Prepaid expenses and other assets 36  
Total current assets 600  
Oil and natural gas properties and other, net 49,476  
Other assets (51,316)  
Total assets (1,240)  
Current liabilities:    
Accounts payable (2,076)  
Current maturities of long-term debt:    
Total current liabilities (2,076)  
Long-term debt:    
Asset retirement obligations, less current portion 20  
Shareholders’ equity (deficit):    
Retained earnings (deficit) 816  
Total shareholders' equity (deficit) 816  
Total liabilities and shareholders' equity (deficit) (1,240)  
Eliminations    
Receivables:    
Income taxes (133,963) (115,829)
Total receivables (133,963) (115,829)
Total current assets (133,963) (115,829)
Oil and natural gas properties and other, net (11,262) (3,802)
Other assets (1,106,640) (898,217)
Total assets (1,251,865) (1,017,848)
Current maturities of long-term debt:    
Accrued liabilities (133,963) (115,829)
Total current liabilities (133,963) (115,829)
Long-term debt:    
Other liabilities (635,286) (499,509)
Shareholders’ equity (deficit):    
Additional paid-in capital (704,885) (704,885)
Retained earnings (deficit) 222,269 302,375
Total shareholders' equity (deficit) (482,616) (402,510)
Total liabilities and shareholders' equity (deficit) $ (1,251,865) $ (1,017,848)