CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents		$ 354	$ 545
Accounts receivable, less allowance for doubtful accounts of $4,274 and $6,118		249,190	490,723
Derivative assets		137,019	87,953
Inventory and other		25,895	22,964
Total current assets		412,458	602,185
Derivative assets		19,828	4,842
Natural gas and oil properties, successful efforts method	[1]	12,339,782	13,085,206
Accumulated depletion and depreciation	[1]	(4,044,212)	(4,062,021)
Natural gas and oil properties, successful efforts method, net	[1]	8,295,570	9,023,185
Other property and equipment		102,187	111,908
Accumulated depreciation and amortization		(95,876)	(102,132)
Other Property and equipment, net		6,311	9,776
Operating lease right-of-use assets		47,214
Other assets		72,818	68,166
Total assets		8,854,199	9,708,154
Current liabilities:
Accounts payable		163,327	227,344
Asset retirement obligations		5,485	5,485
Accrued liabilities		351,981	475,848
Accrued interest		35,116	41,990
Derivative liabilities		1,521	4,144
Total current liabilities		557,430	754,811
Bank debt		318,919	932,018
Senior notes		2,766,322	2,856,166
Senior subordinated notes		48,749	48,677
Deferred tax liabilities		661,216	666,668
Derivative liabilities		296	3,462
Deferred compensation liabilities		58,329	67,542
Operating lease liabilities		40,350
Asset retirement obligations and other liabilities		244,396	319,379
Total liabilities		4,696,007	5,648,723
Commitments and contingencies
Stockholders’ Equity
Preferred stock, $1 par, 10,000,000 shares authorized, none issued and outstanding
Common stock, $0.01 par, 475,000,000 shares authorized, 251,425,437 issued at September 30, 2019 and 249,519,687 issued at December 31, 2018		2,514	2,495
Common stock held in treasury, 8,133 shares at September 30, 2019 and 9,665 shares at December 31, 2018		(328)	(391)
Additional paid-in capital		5,653,005	5,628,447
Accumulated other comprehensive loss		(478)	(658)
Retained deficit		(1,496,521)	(1,570,462)
Total stockholders’ equity		4,158,192	4,059,431
Total liabilities and stockholders’ equity		$ 8,854,199	$ 9,708,154

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