Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 450,257	$ 122,112
Restricted cash	46,271	47,305
Short-term investments	5,541	5,446
Accounts receivable, net of allowance of $837 and $686 at September 30, 2014 and December 31, 2013, respectively	77,435	71,339
Costs and estimated earnings in excess of billings on uncompleted contracts	29,105	27,864
Prepaid and other current assets	65,777	69,586
Total current assets	674,386	343,652
Property and equipment, net	2,687,827	2,578,444
Intangible assets, net	3,910,755	3,387,198
Deferred financing fees, net	78,903	73,042
Other assets	457,121	400,852
Total assets	7,808,992	6,783,188
Current Liabilities:
Accounts payable	31,325	24,302
Accrued expenses	78,643	86,131
Current maturities of long-term debt	1,078,318	481,886
Deferred revenue	108,054	94,658
Accrued interest	38,512	46,689
Other current liabilities	11,375	14,007
Total current liabilities	1,346,227	747,673
Long-term liabilities:
Long-term debt	6,471,770	5,394,721
Other long-term liabilities	288,612	283,828
Total long-term liabilities	6,760,382	5,678,549
Shareholders' equity (deficit):
Preferred stock - par value $.01, 30,000 shares authorized, no shares issued or outstanding
Common stock - Class A, par value $.01, 400,000 shares authorized, 129,096 and 128,432 shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively	1,291	1,284
Additional paid-in capital	2,338,007	2,907,446
Accumulated deficit	(2,542,770)	(2,518,085)
Accumulated other comprehensive loss, net	(94,145)	(33,679)
Total shareholders' equity (deficit)	(297,617)	356,966
Total liabilities and shareholders' equity (deficit)	$ 7,808,992	$ 6,783,188