Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 146,109	$ 118,039
Restricted cash	36,786	25,353
Short-term investments	223	706
Accounts receivable, net	78,344	83,326
Costs and estimated earnings in excess of billings on uncompleted contracts	11,127	16,934
Prepaid expenses and other current assets	51,982	49,602
Total current assets	324,571	293,960
Property and equipment, net	2,792,076	2,782,353
Intangible assets, net	3,656,924	3,735,413
Other assets	587,374	501,254
Total assets	7,360,945	7,312,980
Current liabilities:
Accounts payable	28,320	27,105
Accrued expenses	61,129	63,755
Current maturities of long-term debt	627,157	20,000
Deferred revenue	101,098	97,083
Accrued interest	44,503	53,365
Other current liabilities	11,240	12,063
Total current liabilities	873,447	273,371
Long-term liabilities:
Long-term debt, net	8,148,426	8,432,070
Other long-term liabilities	334,993	313,683
Total long-term liabilities	8,483,419	8,745,753
Shareholders' 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, 121,004 and 125,743 shares issued and outstanding at December 31, 2016 and December 31, 2015, respectively	1,210	1,257
Additional paid-in capital	2,010,520	1,962,713
Accumulated deficit	(3,637,467)	(3,168,069)
Accumulated other comprehensive loss, net	(370,184)	(502,045)
Total shareholders' deficit	(1,995,921)	(1,706,144)
Total liabilities and shareholders' deficit	$ 7,360,945	$ 7,312,980