Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 107,652	$ 122,112
Restricted cash	36,419	47,305
Short-term investments	5,828	5,446
Accounts receivable, net of allowance of $833 and $686 at June 30, 2014 and December 31, 2013, respectively	72,782	71,339
Costs and estimated earnings in excess of billings on uncompleted contracts	25,704	27,864
Prepaid and other current assets	65,633	69,586
Total current assets	314,018	343,652
Property and equipment, net	2,691,302	2,578,444
Intangible assets, net	4,041,190	3,387,198
Deferred financing fees, net	75,241	73,042
Other assets	442,832	400,852
Total assets	7,564,583	6,783,188
Current Liabilities:
Accounts payable	27,502	24,302
Accrued expenses	76,431	86,131
Current maturities of long-term debt	1,080,200	481,886
Deferred revenue	91,020	94,658
Accrued interest	54,021	46,689
Other current liabilities	10,836	14,007
Total current liabilities	1,340,010	747,673
Long-term liabilities:
Long-term debt	5,778,891	5,394,721
Other long-term liabilities	286,394	283,828
Total long-term liabilities	6,065,285	5,678,549
Shareholders' equity:
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, 129,104 and 128,432 shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively	1,291	1,284
Additional paid-in capital	2,649,827	2,907,446
Accumulated deficit	(2,526,146)	(2,518,085)
Accumulated other comprehensive loss (income), net	34,316	(33,679)
Total shareholders' equity	159,288	356,966
Total liabilities and shareholders' equity	$ 7,564,583	$ 6,783,188