Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 33,522	$ 52,619
Receivables, net of allowance for doubtful accounts of $10,661 and $11,418 in 2023 and 2022, respectively	259,443	285,039
Other current assets	45,475	26,894
Total current assets	338,440	364,552
Property, plant and equipment	4,144,289	4,109,146
Less accumulated depreciation and amortization	(2,634,370)	(2,609,447)
Net property, plant and equipment	1,509,919	1,499,699
Operating lease right of use assets	1,279,602	1,271,631
Financing lease right of use assets	13,324	14,037
Goodwill	2,035,272	2,035,269
Intangible assets, net	1,181,407	1,206,625
Other assets	83,821	83,401
Total assets	6,441,785	6,475,214
Current liabilities:
Trade accounts payable	16,894	19,643
Current maturities of long-term debt, net of deferred financing costs of $559 and $593 in 2023 and 2022, respectively	234,624	249,785
Current operating lease liabilities	177,830	205,838
Current financing lease liabilities	1,331	1,331
Accrued expenses	82,722	117,593
Deferred income	146,579	131,847
Total current liabilities	659,980	726,037
Long-term debt, net of deferred financing costs of $30,522 and $32,022 in 2023 and 2022, respectively	3,134,505	3,063,020
Operating lease liabilities	1,030,959	1,035,655
Financing lease liabilities	15,613	15,945
Deferred income tax liabilities	8,498	9,651
Asset retirement obligation	391,206	390,442
Other liabilities	40,337	39,090
Total liabilities	5,281,098	5,279,840
Stockholders’ equity:
Preferred stock, value	0	0
Additional paid-in capital	2,084,102	2,061,671
Accumulated comprehensive loss	(661)	(659)
Accumulated deficit	(855,892)	(804,382)
Cost of shares held in treasury, 840,504 and 783,696 shares at 2023 and 2022, respectively	(67,304)	(61,358)
Non-controlling interest	340	0
Stockholder's equity	1,160,687	1,195,374
Total liabilities and stockholders’ equity	6,441,785	6,475,214
Class A CMN Stock
Stockholders’ equity:
Common stock, value	88	88
Class B CMN Stock
Stockholders’ equity:
Common stock, value	$ 14	$ 14