CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities
Net loss	$ (1,642)	$ (29,559)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss on extinguishment of debt	893	221
Depreciation and amortization	140,830	135,964
Asset impairment	2,154	8,329
Equity in earnings of unconsolidated ventures	(560)	(38)
Distributions from unconsolidated ventures from cumulative share of net earnings	1,441	1,015
Amortization of deferred gain	(2,186)	(2,186)
Amortization of entrance fees	(14,165)	(12,376)
Proceeds from deferred entrance fee revenue	21,361	17,377
Deferred income tax benefit	0	(304)
Change in deferred lease liability	1,432	3,206
Change in fair value of derivatives and amortization	(1,971)	511
(Gain) loss on sale of assets	(902)	172
Loss on acquisition	0	636
Noncash gain on facility lease termination	0	(2,780)
Non-cash stock-based compensation	13,882	13,164
Changes in operating assets and liabilities:
Accounts receivable, net	(7,328)	(8,801)
Prepaid expenses and other assets, net	(3,539)	4,446
Accounts payable and accrued expenses	2,055	(7,800)
Tenant refundable fees and security deposits	(593)	(1,117)
Deferred revenue	(6,334)	8,467
Net cash provided by operating activities	144,828	128,547
Cash Flows from Investing Activities
Increase in lease security deposits and lease acquisition deposits, net	(3,018)	(6,336)
Decrease in cash and escrow deposits - restricted	3,021	5,404
Purchase of marketable securities - restricted	0	(400)
Additions to property, plant and equipment and leasehold intangibles, net	(100,291)	(91,966)
Acquisition of assets, net of related payables and cash received	(4,835)	(109,959)
Issuance of notes receivable, net	(64)	(439)
Investment in unconsolidated ventures	(7,992)	(571)
Distributions received from unconsolidated ventures	0	184
Proceeds from sale of assets, net	7,554	325
Other	0	(702)
Net cash used in investing activities	(105,625)	(204,460)
Cash Flows from Financing Activities
Proceeds from debt	427,622	193,016
Repayment of debt and capital lease obligations	(488,532)	(118,653)
Proceeds from line of credit	190,000	205,000
Repayment of line of credit	(200,000)	(195,000)
Payment of financing costs, net of related payables	(7,895)	(2,714)
Refundable entrance fees:
Proceeds from refundable entrance fees	19,390	17,306
Refunds of entrance fees	(16,776)	(13,531)
Cash portion of loss on extinguishment of debt	(453)	(118)
Purchase of derivatives and payment of swap termination	(1,489)	(1,289)
Other	636	(264)
Net cash (used in) provided by financing activities	(77,497)	83,753
Net (decrease) increase in cash and cash equivalents	(38,294)	7,840
Cash and cash equivalents at beginning of period	69,240	30,836
Cash and cash equivalents at end of period	$ 30,946	$ 38,676