CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents		$ 214,422	$ 458
Accounts receivable, less allowance for doubtful accounts of $568 and $3,004		471,775	252,642
Contingent consideration receivable		29,500	0
Derivative assets		5,738	23,332
Prepaid and other current assets		15,230	13,408
Total current assets		736,665	289,840
Derivative assets		38,601	16,680
Natural gas and oil properties, successful efforts method	[1]	10,175,570	9,751,114
Accumulated depletion and depreciation	[1]	(4,420,914)	(4,064,305)
Natural gas and oil properties, successful efforts method, net	[1]	5,754,656	5,686,809
Other property and equipment		74,678	79,878
Accumulated depreciation and amortization		(71,184)	(75,717)
Other Property and equipment, net		3,494	4,161
Operating lease right-of-use assets		40,832	63,581
Other assets		86,259	75,865
Total assets		6,660,507	6,136,936
Current liabilities:
Accounts payable		178,413	132,421
Asset retirement obligations		5,310	6,689
Accrued liabilities		420,898	348,333
Accrued interest		75,940	54,742
Derivative liabilities		162,767	26,707
Divestiture contract obligation		91,120	92,593
Current maturities of long-term debt		218,017	45,356
Total current liabilities		1,152,465	706,841
Bank debt		0	693,123
Senior notes		2,707,770	2,329,745
Senior subordinated notes		0	17,384
Deferred tax liabilities		117,642	135,267
Derivative liabilities		8,216	9,746
Deferred compensation liabilities		137,102	81,481
Operating lease liabilities		24,861	43,155
Asset retirement obligations and other liabilities		101,509	91,157
Divestiture contract obligation		325,279	391,502
Total liabilities		4,574,844	4,499,401
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, 259,795,554 issued at December 31, 2021 and 256,353,887 issued at December 31, 2020		2,598	2,563
Common stock held in treasury, at cost, 10,002,646 shares at December 31, 2021 and 10,005,795 shares at December 31, 2020		(30,007)	(30,132)
Additional paid-in capital		5,720,277	5,684,268
Accumulated other comprehensive loss		(150)	(479)
Retained deficit		(3,607,055)	(4,018,685)
Total stockholders' equity		2,085,663	1,637,535
Total liabilities and stockholders' equity		$ 6,660,507	$ 6,136,936

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