CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net income (loss)	$ (136,036)	$ (283,852)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss on extinguishment of debt, net	375	44
Depreciation and amortization, net	398,292	607,622
Asset impairment	26,638	0
Equity in (loss) earnings of unconsolidated ventures	(478)	766
Distributions from unconsolidated ventures from cumulative share of net earnings	6,400	7,825
Amortization of deferred gain	(3,279)	(3,279)
Amortization of entrance fee revenue	(3,111)	(2,316)
Proceeds from deferred entrance fee revenue	11,327	8,887
Deferred income tax provision (benefit)	3,804	(164,014)
Change in deferred lease liability	2,553	6,451
Change in fair value of derivatives	28	790
Gain on sale of assets	(2,126)	(1,723)
Non-cash stock-based compensation	27,218	25,871
Non-cash interest expense on financing lease obligations	19,728	17,458
Amortization of (above) below market lease, net	(5,165)	(5,425)
Other	(6,360)	(2,272)
Changes in operating assets and liabilities:
Accounts receivable, net	8,183	(2,907)
Prepaid expenses and other assets, net	(7,338)	39,897
Accounts payable and accrued expenses	(73,892)	(23,192)
Tenant refundable fees and security deposits	(693)	(738)
Deferred revenue	11,213	(23,708)
Net cash provided by operating activities	277,281	202,185
Cash Flows from Investing Activities
(Increase) decrease in lease security deposits and lease acquisition deposits, net	(1,776)	12,541
(Increase) decrease in cash and escrow deposits - restricted	(1,810)	6,822
Additions to property, plant and equipment and leasehold intangibles, net	(263,950)	(301,778)
Acquisition of assets, net of related payables	(12,157)	(193,451)
Investment in unconsolidated ventures	(6,071)	(40,709)
Distributions received from unconsolidated ventures	4,836	7,038
Proceeds from sale of assets, net	219,471	8,072
Other	7,083	3,163
Net cash used in investing activities	(54,374)	(498,302)
Cash Flows from Financing Activities
Proceeds from debt	202,132	550,131
Repayment of debt and capital and financing lease obligations	(217,696)	(453,389)
Proceeds from line of credit	1,276,500	970,000
Repayment of line of credit	(1,486,500)	(760,000)
Payment of financing costs, net of related payables	(1,414)	(32,251)
Refundable entrance fees:
Proceeds from refundable entrance fees	1,986	1,510
Refunds of entrance fees	(2,893)	(3,251)
Cash portion of loss on extinguishment of debt	0	(44)
Payment on lease termination	(9,250)	(12,375)
Other	383	2,094
Net cash (used in) provided by financing activities	(236,752)	262,425
Net decrease in cash and cash equivalents	(13,845)	(33,692)
Cash and cash equivalents at beginning of period	88,029	104,083
Cash and cash equivalents at end of period	$ 74,184	$ 70,391