CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents		$ 545	$ 314
Accounts receivable, less allowance for doubtful accounts of $5,558 and $5,559		246,392	241,718
Derivative assets		30,454	13,278
Inventory and other		20,146	26,573
Total current assets		297,537	281,883
Derivative assets		15,791	205
Goodwill		1,654,292	1,654,292
Natural gas and oil properties, successful efforts method	[1]	12,551,347	12,386,153
Accumulated depletion and depreciation	[1]	(3,191,483)	(3,129,816)
Natural gas and oil properties, successful efforts method, net	[1]	9,359,864	9,256,337
Other property and equipment		114,402	112,796
Accumulated depreciation and amortization		(97,653)	(95,923)
Other Property and equipment, net		16,749	16,873
Other assets		77,512	72,655
Total assets		11,421,745	11,282,245
Current liabilities:
Accounts payable		299,839	229,190
Asset retirement obligations		7,271	7,271
Accrued liabilities		231,568	265,843
Accrued interest		36,689	35,340
Derivative liabilities		55,713	165,009
Total current liabilities		631,080	702,653
Bank debt		841,188	876,428
Senior notes		2,849,088	2,848,591
Senior subordinated notes		48,519	48,498
Deferred tax liabilities		1,055,737	943,343
Derivative liabilities		1,515	24,491
Deferred compensation liabilities		110,455	119,231
Asset retirement obligations and other liabilities		301,687	310,642
Total liabilities		5,839,269	5,873,877
Commitments and contingencies
Stockholders’ Equity
Preferred stock, $1 par, 10,000,000 shares authorized, none issued and outstanding		0	0
Common stock, $0.01 par, 475,000,000 shares authorized, 247,563,324 issued at March 31, 2017 and 247,174,903 issued at December 31, 2016		2,476	2,471
Common stock held in treasury, 26,547 shares at March 31, 2017 and 30,547 shares at December 31, 2016		(1,054)	(1,209)
Additional paid-in capital		5,533,211	5,524,423
Retained earnings (deficit)		47,843	(117,317)
Total stockholders’ equity		5,582,476	5,408,368
Total liabilities and stockholders’ equity		$ 11,421,745	$ 11,282,245

[1] Includes capitalized asset retirement costs and the associated accumulated amortization.