Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 174,179	$ 44,608
Accounts receivable, net	108,679	116,043
Inventories	32,951	28,779
Prepaid expenses and other current assets	60,431	52,499
Total current assets	376,240	241,929
Property and equipment, net:
Property and equipment, at cost	2,345,283	2,204,678
Accumulated depreciation	(1,061,287)	(950,996)
Total property and equipment, net	1,283,996	1,253,682
Other assets:
Right-of-use operating leases, net	201,128
Debt issuance costs	3,624	1,793
Deposits and other assets	12,722	11,277
Goodwill	659,618	659,618
Intangible assets, net of accumulated amortization	345,212	349,029
Total other assets	1,222,304	1,021,717
Total assets	2,882,540	2,517,328
Current liabilities:
Accounts payable	32,904	32,905
Accrued compensation, payroll taxes and benefits	19,556	30,468
Accrued insurance reserves	35,376	39,183
Accrued interest payable	26,128	30,697
Other accrued liabilities	63,019	45,880
Deferred revenue	144,040	146,227
Short-term borrowings	0	43,000
Current portion of long-term debt	8,000	0
Short-term operating lease liabilities	10,709
Total current liabilities	339,732	368,360
Noncurrent liabilities:
Long-term debt	2,266,884	2,063,512
Long-term operating lease liabilities	188,149
Other long-term liabilities	27,514	29,280
Deferred income taxes	247,121	173,998
Total noncurrent liabilities	2,729,668	2,266,790
Total liabilities	3,069,400	2,635,150
Redeemable noncontrolling interests	529,258	525,271
Stockholders' deficit:
Preferred stock, $1.00 par value
Common stock, $0.025 par value, 280,000,000 shares authorized; 84,633,845 and 83,962,182 shares issued and outstanding at December 31, 2019 and December 31, 2018, respectively	2,116	2,099
Capital in excess of par value	1,066,223	1,037,640
Accumulated deficit	(1,709,747)	(1,611,334)
Accumulated other comprehensive loss, net of tax	(74,710)	(71,498)
Total stockholders' deficit	(716,118)	(643,093)
Total liabilities and stockholders' deficit	$ 2,882,540	$ 2,517,328