Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 103,266	$ 118,039
Restricted cash	25,138	25,353
Short-term investments	708	706
Accounts receivable, net of allowance of $2,235 and $1,681 at March 31, 2016 and December 31, 2015, respectively	87,580	83,326
Costs and estimated earnings in excess of billings on uncompleted contracts	12,683	16,934
Prepaid expenses and other current assets	53,177	49,602
Total current assets	282,552	293,960
Property and equipment, net	2,802,662	2,782,353
Intangible assets, net	3,764,036	3,735,413
Other assets	522,394	501,254
Total assets	7,371,644	7,312,980
Current liabilities:
Accounts payable	20,716	27,105
Accrued expenses	56,657	63,755
Current maturities of long-term debt	20,000	20,000
Deferred revenue	87,283	97,083
Accrued interest	38,813	53,365
Other current liabilities	9,600	12,063
Total current liabilities	233,069	273,371
Long-term liabilities:
Long-term debt, net	8,452,270	8,432,070
Other long-term liabilities	316,865	313,683
Total long-term liabilities	$ 8,769,135	$ 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, 125,512 and 125,743 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively	$ 1,255	$ 1,257
Additional paid-in capital	1,973,974	1,962,713
Accumulated deficit	(3,164,437)	(3,168,069)
Accumulated other comprehensive loss, net	(441,352)	(502,045)
Total shareholders' deficit	(1,630,560)	(1,706,144)
Total liabilities and shareholders' deficit	$ 7,371,644	$ 7,312,980

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.