CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows from Operating Activities
Net loss	$ (53,300)	$ (40,765)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss on extinguishment of debt	18,863	1,557
Depreciation and amortization	215,454	228,430
Asset impairment	14,846	0
Equity in earnings of unconsolidated ventures	(295)	(788)
Distributions from unconsolidated ventures from cumulative share of net earnings	700	375
Amortization of deferred gain	(3,280)	(3,258)
Amortization of entrance fees	(18,865)	(18,160)
Proceeds from deferred entrance fee revenue	26,475	27,716
Deferred income tax benefit	0	(26,544)
Change in deferred lease liability	5,006	8,109
Change in fair value of derivatives and amortization	4,151	5,023
(Gain) loss on sale of assets	(1,180)	1,548
Gain on acquisition	(3,520)	0
Change in future service obligation	0	(1,064)
Non-cash stock-based compensation expense	14,316	15,799
Changes in operating assets and liabilities:
Accounts receivable, net	(2,375)	(6,480)
Prepaid expenses and other assets, net	(17,065)	(4,007)
Accounts payable and accrued expenses	2,826	5,721
Tenant refundable fees and security deposits	(1,941)	(2,720)
Deferred revenue	3,609	(5)
Other	7,577	(11,332)
Net cash provided by operating activities	212,002	179,155
Cash Flows from Investing Activities
(Increase) decrease in lease security deposits and lease acquisition deposits, net	(1,591)	2,067
Decrease (increase) in cash and escrow deposits - restricted	56,244	(2,567)
Net proceeds from the sale of assets	30,817	1,487
Additions to property, plant and equipment and leasehold intangibles, net of related payables	(114,588)	(70,604)
Purchase of marketable securities - restricted	(32,724)	0
Sale of marketable securities - restricted	1,415	0
Acquisition of assets, net of related payables and cash received	(54,597)	(26,116)
Purchase of Horizon Bay Realty, L.L.C., net of cash acquired	5,516	0
Receipt of notes receivable, net	1,674	1,013
Investment in unconsolidated ventures	(13,711)	(659)
Distributions received from unconsolidated ventures	156	77
Proceeds from sale of unconsolidated venture	0	675
Other	(821)	(638)
Net cash used in investing activities	(122,210)	(95,265)
Cash Flows from Financing Activities
Proceeds from debt	477,525	382,076
Proceeds from issuance of convertible notes, net	308,233	0
Issuance of warrants	45,066	0
Purchase of bond hedge	(77,007)	0
Repayment of debt and capital lease obligations	(879,573)	(444,940)
Proceeds from line of credit	120,000	60,000
Repayment of line of credit	(85,000)	(60,000)
Payment of financing costs, net of related payables	(8,170)	(8,436)
Other	(454)	(590)
Refundable entrance fees:
Proceeds from refundable entrance fees	18,594	27,303
Refunds of entrance fees	(16,886)	(16,106)
Cash portion of loss on extinguishment of debt	(17,040)	(179)
Recouponing and payment of swap termination	(99)	(20,427)
Purchase of treasury stock	(17,613)	0
Net cash used in financing activities	(132,424)	(81,299)
Net (decrease) increase in cash and cash equivalents	(42,632)	2,591
Cash and cash equivalents at beginning of period	81,827	66,370
Cash and cash equivalents at end of period	$ 39,195	$ 68,961