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Condensed Consolidated Balance Sheet (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
ASSETS    
Cash and cash equivalents $ 6,475 $ 9,730
Accounts receivable — oil and gas revenues 109,121 96,495
Accounts receivable — joint interest and other 81,291 100,914
Inventory 9,018 11,072
Prepaid expenses 5,838 7,328
Derivative instruments 10,330 139,697
Other current assets 4,164 50
Total current assets 226,237 365,286
Property, plant and equipment    
Oil and gas properties (successful efforts method) 6,402,648 6,284,401
Other property and equipment 536,462 443,265
Less: accumulated depreciation, depletion, amortization and impairment (1,752,376) (1,509,424)
Total property, plant and equipment, net 5,186,734 5,218,242
Assets held for sale 0 26,728
Derivative instruments 64 15,776
Other assets 22,504 23,343
Total assets 5,435,539 5,649,375
Current liabilities    
Accounts payable 10,357 9,983
Revenues and production taxes payable 138,451 132,356
Accrued liabilities 128,284 167,669
Accrued interest payable 47,671 49,413
Derivative instruments 20,891 0
Advances from joint interest partners 5,416 4,647
Other current liabilities 15,001 6,500
Total current liabilities 366,071 370,568
Long-term debt 2,127,361 2,302,584
Deferred income taxes 528,028 608,155
Asset retirement obligations 36,390 35,338
Liabilities held for sale 0 10,228
Derivative instruments 14,291 0
Other liabilities 3,043 3,160
Total liabilities 3,075,184 3,330,033
Commitments and contingencies
Stockholders’ equity    
Common stock, $0.01 par value: 450,000,000 and 300,000,000 shares authorized at June 30, 2016 and December 31, 2015, respectively; 181,200,581 shares issued and 180,399,060 shares outstanding at June 30, 2016 and 139,583,990 shares issued and 139,076,064 shares outstanding at December 31, 2015 1,777 1,376
Treasury stock, at cost: 801,521 and 507,926 shares at June 30, 2016 and December 31, 2015, respectively (15,140) (13,620)
Additional paid-in capital 1,693,583 1,497,065
Retained earnings 680,135 834,521
Total stockholders’ equity 2,360,355 2,319,342
Total liabilities and stockholders’ equity $ 5,435,539 $ 5,649,375