CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 59,367	$ 45,675
Accounts receivable, net	42,534	41,149
Inventories	42,484	36,587
Prepaid expenses and other current assets	26,691	17,817
Deferred tax assets, net	6,265	17,405
Total current assets	177,341	158,633
Property and equipment, at cost	2,380,008	2,343,561
Accumulated depreciation	(606,462)	(568,918)
Property and equipment, net	1,773,546	1,774,643
Goodwill	335,610	335,610
Trade names, net	164,333	164,608
Other intangible assets, net	30,315	31,120
Deferred tax assets, net	42,661	6,356
Other assets	47,839	50,082
Total assets	2,571,645	2,521,052
Current liabilities:
Accounts payable	113,864	89,946
Current maturities on long-term debt	51,330	21,330
Accrued salaries, wages and benefits	17,071	33,088
Deferred revenue	126,193	82,567
Other accrued expenses	31,672	19,350
Total current liabilities	340,130	246,281
Long-term debt	1,798,620	1,802,644
Other liabilities	22,793	22,279
Total liabilities	2,161,543	2,071,204
Commitments and contingencies
Stockholders' Equity:
Common stock, $0.01 par value-authorized, 1,000,000,000 shares; issued and outstanding, 82,770,236 and 82,737,008 shares at March 31, 2013 and December 31, 2012, respectively	828	827
Additional paid-in capital	457,242	456,923
Accumulated other comprehensive loss	(960)	(1,254)
Accumulated deficit	(47,008)	(6,648)
Total stockholders' equity	410,102	449,848
Total liabilities and stockholders' equity	$ 2,571,645	$ 2,521,052