CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 42,113	$ 30,836
Cash and escrow deposits - restricted	44,867	45,903
Accounts receivable, net	102,568	98,697
Deferred tax asset	11,776	11,776
Prepaid expenses and other current assets, net	96,217	93,663
Total current assets	297,541	280,875
Property, plant and equipment and leasehold intangibles, net	3,793,384	3,694,064
Cash and escrow deposits - restricted	48,887	52,980
Marketable securities - restricted	33,519	31,721
Investment in unconsolidated ventures	32,216	32,798
Goodwill	109,553	109,553
Other intangible assets, net	156,884	154,136
Other assets, net	104,125	109,934
Total assets	4,576,109	4,466,061
Current liabilities
Current portion of long-term debt	125,316	47,654
Trade accounts payable	39,230	54,134
Accrued expenses	176,542	183,634
Refundable entrance fees and deferred revenue	339,171	327,808
Tenant security deposits	7,254	7,720
Total current liabilities	687,513	620,950
Long-term debt, less current portion	2,380,926	2,350,971
Line of credit	85,000	65,000
Deferred entrance fee revenue	73,811	72,485
Deferred liabilities	157,830	161,185
Deferred tax liability	112,211	112,736
Other liabilities	41,002	42,526
Total liabilities	3,538,293	3,425,853
Stockholders' Equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized at March 31, 2012 and December 31, 2011; no shares issued and outstanding	0	0
Common stock, $0.01 par value, 200,000,000 shares authorized at March 31, 2012 and December 31, 2011; 128,914,032 and 127,782,538 shares issued and 126,485,631 and 125,354,137 shares outstanding (including 5,288,427 and 4,221,598 unvested restricted shares), respectively	1,265	1,254
Additional paid-in-capital	1,977,708	1,970,820
Treasury stock, at cost; 2,428,401 shares at March 31, 2012 and December 31, 2011	(46,800)	(46,800)
Accumulated deficit	(894,389)	(884,051)
Accumulated other comprehensive income (loss)	32	(1,015)
Total stockholders' equity	1,037,816	1,040,208
Total liabilities and stockholders' equity	$ 4,576,109	$ 4,466,061