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Consolidated Balance Sheet - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Current assets    
Cash and cash equivalents $ 9,730 $ 45,811
Accounts receivable — oil and gas revenues 96,495 130,934
Accounts receivable — joint interest and other 100,914 175,537
Inventory 11,072 21,354
Prepaid expenses 7,328 14,273
Derivative instruments 139,697 302,159
Other current assets 50 6,539
Total current assets 365,286 696,607
Property, plant and equipment    
Oil and gas properties (successful efforts method) 6,284,401 5,966,140
Other property and equipment 443,265 313,439
Less: accumulated depreciation, depletion, amortization and impairment (1,509,424) (1,092,793)
Total property, plant and equipment, net 5,218,242 5,186,786
Assets held for sale 26,728 0
Derivative instruments 15,776 13,348
Other assets 23,343 12,335
Total assets 5,649,375 5,909,076
Current liabilities    
Accounts payable 9,983 20,958
Revenues and production taxes payable 132,356 209,890
Accrued liabilities 167,669 410,379
Accrued interest payable 49,413 49,786
Deferred income taxes 0 97,499
Advances from joint interest partners 4,647 6,616
Other current liabilities 6,500 0
Total current liabilities 370,568 795,128
Long-term debt 2,302,584 2,670,664
Deferred income taxes 608,155 526,770
Asset retirement obligations 35,338 42,097
Liabilities held for sale 10,228 0
Other liabilities 3,160 2,116
Total liabilities $ 3,330,033 $ 4,036,775
Commitments and contingencies
Stockholders’ equity    
Common stock, $0.01 par value: 300,000,000 shares authorized; 139,583,990 shares issued and 139,076,064 shares outstanding at December 31, 2015 and 101,627,296 shares issued and 101,341,619 shares outstanding at December 31, 2014 $ 1,376 $ 1,001
Treasury stock, at cost: 507,926 shares and 285,677 shares at December 31, 2015 and 2014, respectively (13,620) (10,671)
Additional paid-in-capital 1,497,065 1,007,202
Retained earnings 834,521 874,769
Total stockholders’ equity 2,319,342 1,872,301
Total liabilities and stockholders’ equity $ 5,649,375 $ 5,909,076