Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 143,444	$ 68,783
Restricted cash	32,464	32,924
Accounts receivable, net	111,035	90,673
Costs and estimated earnings in excess of billings on uncompleted contracts	23,785	17,437
Prepaid expenses and other current assets	63,126	49,716
Total current assets	373,854	259,533
Property and equipment, net	2,786,355	2,812,346
Intangible assets, net	3,331,465	3,598,131
Other assets	722,033	650,195
Total assets	7,213,707	7,320,205
Current liabilities:
Accounts payable	34,308	33,334
Accrued expenses	63,665	69,862
Current maturities of long-term debt	941,728	20,000
Deferred revenue	108,054	97,969
Accrued interest	48,722	48,899
Other current liabilities	9,802	8,841
Total current liabilities	1,206,279	278,905
Long-term liabilities:
Long-term debt, net	8,996,825	9,290,686
Other long-term liabilities	387,426	349,728
Total long-term liabilities	9,384,251	9,640,414
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, 112,433 Common stock - Class A, par value $.01, 400,000 shares authorized, 112,433 and 116,446 shares issued and outstanding at December 31, 2018 and December 31, 2017, respectively	1,124	1,164
Additional paid-in capital	2,270,326	2,167,470
Accumulated deficit	(5,136,368)	(4,388,288)
Accumulated other comprehensive loss, net	(511,905)	(379,460)
Total shareholders' deficit	(3,376,823)	(2,599,114)
Total liabilities and shareholders' deficit	$ 7,213,707	$ 7,320,205

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).

Name:	us-gaap_AccountsPayableCurrent
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.