Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 43,906	$ 116,841
Accounts receivable, net	37,002	41,509
Inventories	33,134	36,209
Prepaid expenses and other current assets	20,894	19,613
Deferred tax assets, net	7,268	28,887
Total current assets	142,204	243,059
Property and equipment, at cost	2,612,052	2,485,805
Accumulated depreciation	(867,421)	(714,305)
Property and equipment, net	1,744,631	1,771,500
Goodwill	335,610	335,610
Trade names/trademarks, net	164,188	163,508
Other intangible assets, net	24,525	27,843
Other assets	31,316	35,890
Total assets	2,442,474	2,577,410
Current liabilities:
Accounts payable	88,279	98,500
Current maturities on long-term debt	14,050	14,050
Accrued salaries, wages and benefits	19,068	23,996
Deferred revenue	79,367	82,945
Dividends payable	172	17,939
Other accrued expenses	20,149	15,264
Total current liabilities	221,085	252,694
Long-term debt	1,589,403	1,632,531
Deferred tax liabilities, net	31,760	25,670
Other liabilities	20,691	18,488
Total liabilities	1,862,939	1,929,383
Commitments and contingencies (Note 14)
Stockholders' Equity:
Preferred stock, $0.01 par value-authorized, 100,000,000 shares, no shares issued or outstanding at December 31, 2014 and 2013
Common stock, $0.01 par value-authorized, 1,000,000,000 shares; 90,191,100 shares issued at December 31, 2014 and 89,900,453 shares issued at December 31, 2013	902	899
Additional paid-in capital	655,471	689,394
Accumulated other comprehensive (loss) income	(483)	11
Retained earnings	33,516	1,886
Treasury stock, at cost (4,105,970 shares at December 31, 2014 and 1,500,000 shares at December 31, 2013)	(109,871)	(44,163)
Total stockholders' equity	579,535	648,027
Total liabilities and stockholders' equity	$ 2,442,474	$ 2,577,410