Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 36,405	$ 44,605
Receivables, net of allowance for doubtful accounts of $11,952 and $12,477 in 2024 and 2023, respectively	298,509	301,189
Other current assets	41,162	27,392
Total current assets	376,076	373,186
Property, plant and equipment	4,289,440	4,274,831
Less accumulated depreciation and amortization	(2,731,409)	(2,708,361)
Net property, plant and equipment	1,558,031	1,566,470
Operating lease right of use assets	1,302,629	1,315,433
Financing lease right of use assets	10,471	11,184
Goodwill	2,035,220	2,035,271
Intangible assets, net	1,150,081	1,171,434
Other assets	92,559	90,644
Total assets	6,525,067	6,563,622
Current liabilities:
Trade accounts payable	18,435	18,238
Current maturities of long-term debt, net of deferred financing costs of $339 and $380 in 2024 and 2023, respectively	585,763	250,018
Current operating lease liabilities	174,955	210,568
Current financing lease liabilities	1,331	1,331
Accrued expenses	79,483	107,195
Deferred income	132,644	126,547
Total current liabilities	992,611	713,897
Long-term debt, net of deferred financing costs of $27,380 and $28,865 in 2024 and 2023, respectively	2,815,573	3,091,109
Operating lease liabilities	1,066,058	1,075,285
Financing lease liabilities	14,282	14,614
Deferred income tax liabilities	12,293	12,047
Asset retirement obligation	396,539	397,991
Other liabilities	44,074	41,891
Total liabilities	5,341,430	5,346,834
Stockholders’ equity:
Preferred stock, value	0	0
Additional paid-in capital	2,129,944	2,103,282
Accumulated comprehensive loss	(820)	(428)
Accumulated deficit	(874,130)	(819,235)
Cost of shares held in treasury, 890,558 and 840,935 shares at 2024 and 2023, respectively	(72,688)	(67,347)
Non-controlling interest	1,228	414
Stockholder's equity	1,183,637	1,216,788
Total liabilities and stockholders’ equity	6,525,067	6,563,622
Common Class A
Stockholders’ equity:
Common stock, value	89	88
Common Class B
Stockholders’ equity:
Common stock, value	$ 14	$ 14