CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents		$ 449	$ 458
Accounts receivable, less allowance for doubtful accounts of $3,004 and $3,004		286,491	252,642
Derivative assets		8,111	23,332
Other current assets		13,581	13,408
Total current assets		308,632	289,840
Derivative assets		21,242	16,680
Natural gas properties, successful efforts method		9,853,906	9,751,114	[1]
Accumulated depletion and depreciation		(4,150,811)	(4,064,305)	[1]
Natural gas and oil properties, successful efforts method, net		5,703,095	5,686,809	[1]
Other property and equipment		80,365	79,878
Accumulated depreciation and amortization		(76,228)	(75,717)
Other Property and equipment, net		4,137	4,161
Operating lease right-of-use assets		58,199	63,581
Other assets		79,355	75,865
Total assets		6,174,660	6,136,936
Current liabilities:
Accounts payable		160,323	132,421
Asset retirement obligations		6,689	6,689
Accrued liabilities		311,469	348,333
Accrued interest		45,125	54,742
Derivative liabilities		38,319	26,707
Divestiture contract obligation		88,132	92,593
Current maturities of long-term debt	[2]	45,377	45,356
Total current liabilities		695,434	706,841
Bank debt		116,074	693,123
Senior notes		2,921,750	2,329,745
Senior subordinated notes		17,393	17,384
Deferred tax liabilities		137,810	135,267
Derivative liabilities		5,959	9,746
Deferred compensation liabilities		107,001	81,481
Operating lease liabilities		38,026	43,155
Asset retirement obligations and other liabilities		87,549	91,157
Divestiture contract obligation		383,816	391,502
Total liabilities		4,510,812	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, 259,595,233 issued at March 31, 2021 and 256,353,887 issued at December 31, 2020		2,596	2,563
Common stock held in treasury, 10,004,683 shares at March 31, 2021 and 10,005,795 shares at December 31, 2020		(30,085)	(30,132)
Additional paid-in capital		5,683,428	5,684,268
Accumulated other comprehensive loss		(409)	(479)
Retained deficit		(3,991,682)	(4,018,685)
Total stockholders’ equity		1,663,848	1,637,535
Total liabilities and stockholders’ equity		$ 6,174,660	$ 6,136,936

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

[2] As of March 31, 2021, current maturities includes $45.4 million principal amount of our 5.75% senior and senior subordinated notes due 2021