CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 216,397	$ 88,029
Cash and escrow deposits - restricted	32,864	32,570
Accounts receivable, net	141,705	144,053
Assets held for sale	97,843	110,620
Prepaid expenses and other current assets, net	130,695	122,671
Total current assets	619,504	497,943
Property, plant and equipment and leasehold intangibles, net	7,379,305	8,031,376
Cash and escrow deposits - restricted	28,061	33,382
Investment in unconsolidated ventures	167,826	371,639
Goodwill	705,476	725,696
Other intangible assets, net	83,007	129,186
Other assets, net	234,508	259,342
Total assets	9,217,687	10,048,564
Current liabilities
Current portion of long-term debt	145,649	173,454
Current portion of capital and financing lease obligations	69,606	62,150
Trade accounts payable	77,356	128,006
Accrued expenses	328,037	372,874
Refundable entrance fees and deferred revenue	106,946	99,277
Tenant security deposits	3,548	4,387
Total current liabilities	731,142	840,148
Long-term debt, less current portion	3,413,998	3,459,371
Capital and financing lease obligations, less current portion	2,415,914	2,427,438
Line of credit	0	310,000
Deferred liabilities	267,364	266,537
Deferred tax liability	80,646	69,051
Other liabilities	230,891	217,292
Total liabilities	7,139,955	7,589,837
Stockholders' Equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized at December 31, 2016 and December 31, 2015; no shares issued and outstanding	0	0
Common stock, $0.01 par value, 400,000,000 shares authorized at December 31, 2016 and December 31, 2015; 193,224,082 and 190,767,191 shares issued and 190,045,681 and 188,338,790 shares outstanding (including 4,608,187 and 3,453,991 unvested restricted shares), respectively	1,900	1,883
Additional paid-in-capital	4,102,397	4,069,283
Treasury stock, at cost; 3,178,401 and 2,428,401 shares at December 31, 2016 and December 31, 2015, respectively	(56,440)	(46,800)
Accumulated deficit	(1,969,875)	(1,565,478)
Total stockholders' equity	2,077,982	2,458,888
Stockholders' Equity Attributable to Noncontrolling Interest	(250)	(161)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,077,732	2,458,727
Total liabilities and stockholders' equity	$ 9,217,687	$ 10,048,564