CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities
Net loss	$ (41,158)	$ (53,300)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss on extinguishment of debt	221	18,863
Depreciation and amortization	203,383	215,454
Asset impairment	8,329	14,846
Equity in loss (earnings) of unconsolidated ventures	211	(295)
Distributions from unconsolidated ventures from cumulative share of net earnings	1,435	700
Amortization of deferred gain	(3,279)	(3,280)
Amortization of entrance fees	(19,846)	(18,865)
Proceeds from deferred entrance fee revenue	30,303	26,475
Deferred income tax benefit	(41)	0
Change in deferred lease liability	5,324	5,006
Change in fair value of derivatives and amortization	371	4,151
Loss (gain) on sale of assets	245	(1,180)
(Gain) loss on acquisition	636	(3,520)
Gain on facility lease termination	(2,780)	0
Non-cash stock-based compensation expense	19,185	14,316
Other	(487)	0
Changes in operating assets and liabilities:
Accounts receivable, net	(8,092)	(2,375)
Prepaid expenses and other assets, net	1,653	(9,488)
Accounts payable and accrued expenses	9,552	2,826
Tenant refundable fees and security deposits	(1,556)	(1,941)
Deferred revenue	4,369	3,609
Net cash provided by operating activities	207,978	212,002
Cash Flows from Investing Activities
Increase in lease security deposits and lease acquisition deposits, net	(6,767)	(1,591)
(Increase) decrease in cash and escrow deposits - restricted	(2,402)	56,244
Purchase of marketable securities - restricted	(1,453)	(33,545)
Sale of marketable securities - restricted	0	1,415
Additions to property, plant and equipment and leasehold intangibles, net of related payables	(151,381)	(114,588)
Acquisition of assets, net of related payables and cash received	(111,308)	(54,597)
Purchase of Horizon Bay Realty, L.L.C., net of cash acquired	0	5,516
(Issuance of) payment on notes receivable, net	(591)	1,674
Investment in unconsolidated ventures	(571)	(13,711)
Distributions received from unconsolidated ventures	256	156
Proceeds from sale of assets, net	325	30,817
Other	487	0
Net cash used in investing activities	(273,405)	(122,210)
Cash Flows from Financing Activities
Proceeds from debt	193,607	477,525
Repayment of debt and capital lease obligations	(136,957)	(879,573)
Proceeds from line of credit	280,000	120,000
Repayment of line of credit	(265,000)	(85,000)
Proceeds from issuance of convertible notes, net	0	308,233
Issuance of warrants	0	45,066
Purchase of bond hedge	0	(77,007)
Payment of financing costs, net of related payables	(2,810)	(8,170)
Other	(295)	(454)
Refundable entrance fees:
Proceeds from refundable entrance fees	29,512	18,594
Refunds of entrance fees	(19,555)	(16,886)
Cash portion of loss on extinguishment of debt	(118)	(17,040)
Recouponing and payment of swap termination	(1,289)	(99)
Purchase of treasury stock	0	(17,613)
Net cash provided by (used in) financing activities	77,095	(132,424)
Net increase (decrease) in cash and cash equivalents	11,668	(42,632)
Cash and cash equivalents at beginning of period	30,836	81,827
Cash and cash equivalents at end of period	$ 42,504	$ 39,195