Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 140,849	$ 160,596
Accounts receivable, net of allowance for doubtful accounts of $4,296 and $4,022	66,183	45,337
Assets held for sale	8,706	29,544
Other current assets	12,015	9,943
Total Current Assets	227,753	245,420
Property and equipment, net of accumulated depreciation	2,506,523	2,456,780
Intangible assets, net of accumulated amortization	175,982	177,002
Other non-current assets	42,838	13,321
Total Non-Current Assets	2,725,343	2,647,103
Total Assets	2,953,096	2,892,523
Current Liabilities:
Current portion of long-term debt	17,514	17,514
Accounts payable	48,757	38,130
Accrued expenses and other liabilities	59,587	64,581
Accrued payroll and employee benefits	52,113	38,467
Accrued real estate taxes	20,782	21,400
Total Current Liabilities	198,753	180,092
Long-term debt	1,670,447	1,682,436
Other long-term liabilities	21,833	29,130
Deferred tax liabilities	233,765	343,028
Total Liabilities	2,124,798	2,234,686
Commitments and Contingencies
Equity:
Preferred Stock, $0.01 par value; 100,000,000 shares authorized and none outstanding as of December 31, 2017 and 2016	0	0
Common Stock, $0.01 par value; 2,000,000,000 shares authorized at December 31, 2017 and 2016, 132,478,073 shares issued and 117,345,996 shares outstanding as of December 31, 2017 and 131,750,715 shares issued and 116,790,470 shares outstanding as of December 31, 2016	1,325	1,318
Additional paid-in-capital	1,181,639	1,165,651
Accumulated deficit	(144,041)	(296,006)
Treasury stock at cost, 15,132,077 shares at December 31, 2017 and 14,960,245 shares at December 31, 2016	(212,461)	(209,523)
Accumulated other comprehensive loss	(760)	(6,372)
Noncontrolling interests	2,596	2,769
Total Equity	828,298	657,837
Total Liabilities and Equity	$ 2,953,096	$ 2,892,523