CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents		$ 568	$ 546
Accounts receivable, less allowance for doubtful accounts of $5,901 and $8,784		169,151	272,900
Derivative assets		143,252	136,848
Other current assets		18,868	17,508
Total current assets		331,839	427,802
Derivative assets		2,984	706
Natural gas properties, successful efforts method	[1]	10,363,419	10,213,737
Accumulated depletion and depreciation	[1]	(4,369,793)	(4,172,702)
Natural gas and oil properties, successful efforts method, net	[1]	5,993,626	6,041,035
Other property and equipment		83,483	102,083
Accumulated depreciation and amortization		(79,760)	(96,708)
Other Property and equipment, net		3,723	5,375
Operating lease right-of-use assets		52,367	62,053
Other assets		67,672	75,432
Total assets		6,452,211	6,612,403
Current liabilities:
Accounts payable		97,494	155,341
Asset retirement obligations		2,393	2,393
Accrued liabilities		312,866	356,392
Accrued interest		52,860	39,299
Derivative liabilities		5,306	13,119
Current maturities of long-term debt	[2]	59,334	0
Total current liabilities		530,253	566,544
Bank debt		628,221	464,319
Senior notes		2,510,256	2,659,844
Senior subordinated notes		26,656	48,774
Deferred tax liabilities		167,548	160,196
Derivative liabilities		10,001	949
Deferred compensation liabilities		58,676	64,070
Operating lease liabilities		35,104	41,068
Asset retirement obligations and other liabilities		149,680	259,151
Total liabilities		4,116,395	4,264,915
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, 256,080,133 issued at June 30, 2020 and 251,438,936 issued at December 31, 2019		2,560	2,514
Common stock held in treasury, 10,007,327 shares at June 30, 2020 and 1,808,133 shares at December 31, 2019		(30,194)	(7,236)
Additional paid-in capital		5,672,596	5,659,832
Accumulated other comprehensive loss		(644)	(788)
Retained deficit		(3,308,502)	(3,306,834)
Total stockholders’ equity		2,335,816	2,347,488
Total liabilities and stockholders’ equity		$ 6,452,211	$ 6,612,403

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

[2] As of June 30, 2020, current maturities includes $59.4 million principal amount of our 5.75% senior and senior subordinated notes due 2021.