Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 615,791	$ 433,909
Accounts receivable, net	90,419	30,410
Inventories	25,111	30,700
Prepaid expenses and other current assets	20,241	12,418
Total current assets	751,562	507,437
Property and equipment, at cost	3,314,860	3,272,705
Accumulated depreciation	(1,676,366)	(1,611,745)
Property and equipment, net	1,638,494	1,660,960
Goodwill	66,278	66,278
Trade names/trademarks, net	157,000	157,000
Right of use assets-operating leases	133,909	136,572
Deferred tax assets, net	24,179	22,847
Other assets, net	15,298	15,264
Total assets	2,786,720	2,566,358
Current liabilities:
Accounts payable and accrued expenses	129,983	105,369
Current maturities of long-term debt	65,505	15,505
Operating lease liabilities	3,210	3,757
Accrued salaries, wages and benefits	19,245	10,781
Deferred revenue	238,694	130,759
Other accrued liabilities	51,243	50,950
Total current liabilities	507,880	317,121
Long-term debt, net	2,122,708	2,177,137
Long-term operating lease liabilities	118,251	120,144
Deferred tax liabilities, net	17,786	15,772
Other liabilities	41,409	41,987
Total liabilities	2,808,034	2,672,161
Commitments and contingencies (Note 9)
Stockholders’ Deficit:
Preferred stock, $0.01 par value—authorized, 100,000,000 shares, no shares issued or outstanding at June 30, 2021 and December 31, 2020
Common stock, $0.01 par value—authorized, 1,000,000,000 shares; 95,380,481 and 94,652,248 shares issued at June 30, 2021 and December 31, 2020, respectively	953	946
Additional paid-in capital	681,964	680,360
Accumulated deficit	(288,922)	(371,800)
Treasury stock, at cost (16,260,248 shares at June 30, 2021 and December 31, 2020)	(415,309)	(415,309)
Total stockholders’ deficit	(21,314)	(105,803)
Total liabilities and stockholders’ deficit	$ 2,786,720	$ 2,566,358