CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 30,946	$ 69,240
Cash and escrow deposits - restricted	43,559	43,096
Accounts receivable, net	107,139	100,401
Deferred tax asset	13,377	13,377
Prepaid expenses and other current assets, net	88,004	82,924
Total current assets	283,025	309,038
Property, plant and equipment and leasehold intangibles, net	3,855,653	3,879,977
Cash and escrow deposits - restricted	59,282	62,767
Investment in unconsolidated ventures	37,606	31,386
Goodwill	109,553	109,553
Other intangible assets, net	159,949	159,942
Other assets, net	125,774	113,315
Total assets	4,630,842	4,665,978
Current liabilities
Current portion of long-term debt	69,727	509,543
Trade accounts payable	45,361	43,184
Accrued expenses	205,354	200,895
Refundable entrance fees and deferred revenue	370,142	370,755
Tenant security deposits	5,620	6,521
Total current liabilities	696,204	1,130,898
Long-term debt, less current portion	2,486,222	2,089,826
Line of credit	70,000	80,000
Deferred entrance fee revenue	83,102	79,010
Deferred liabilities	150,034	150,788
Deferred tax liability	96,187	96,187
Other liabilities	38,961	42,283
Total liabilities	3,620,710	3,668,992
Stockholders' Equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized at June 30, 2013 and December 31, 2012; no shares issued and outstanding	0	0
Common stock, $0.01 par value, 200,000,000 shares authorized at June 30, 2013 and December 31, 2012; 130,066,055 and 129,117,946 shares issued and 127,638,057 and 126,689,545 shares outstanding (including 3,576,939 and 3,951,950 unvested restricted shares), respectively	1,276	1,267
Additional paid-in-capital	2,012,725	1,997,946
Treasury stock, at cost; 2,428,401 shares at June 30, 2013 and December 31, 2012	(46,800)	(46,800)
Accumulated deficit	(957,069)	(955,427)
Total stockholders' equity	1,010,132	996,986
Total liabilities and stockholders' equity	$ 4,630,842	$ 4,665,978