CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities
Net income (loss)	$ (84,308)	$ (215,516)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss on extinguishment of debt, net	139	44
Depreciation and amortization, net	265,129	446,291
Asset impairment	7,527	0
Equity in earnings of unconsolidated ventures	(1,356)	(812)
Distributions from unconsolidated ventures from cumulative share of net earnings	0	1,450
Amortization of deferred gain	(2,186)	(2,186)
Amortization of entrance fee revenue	(1,939)	(1,697)
Proceeds from deferred entrance fee revenue	7,458	5,313
Deferred income tax provision (benefit)	332	(132,462)
Change in deferred lease liability	3,412	4,720
Change in fair value of derivatives	28	626
Gain on sale of assets	(2,551)	0
Non-cash stock-based compensation	18,763	15,724
Non-cash interest expense on financing lease obligations	13,014	11,516
Amortization of (above) below market lease, net	(3,466)	(3,799)
Other	(3,597)	(1,416)
Changes in operating assets and liabilities:
Accounts receivable, net	5,439	(12,241)
Prepaid expenses and other assets, net	(16,845)	37,493
Accounts payable and accrued expenses	(23,133)	(49,536)
Tenant refundable fees and security deposits	38	(517)
Deferred revenue	(4,059)	7,829
Net cash provided by operating activities	177,839	110,824
Cash Flows from Investing Activities
(Increase) decrease in lease security deposits and lease acquisition deposits, net	(1,538)	15,723
Decrease in cash and escrow deposits - restricted	355	10,206
Additions to property, plant and equipment and leasehold intangibles, net	(190,060)	(178,348)
Acquisition of assets, net of related payables	(12,157)	(192,701)
Investment in unconsolidated ventures	(3,733)	(38,609)
Distributions received from unconsolidated ventures	3,602	0
Proceeds from sale of assets, net	45,584	4,993
Other	1,211	2,239
Net cash used in investing activities	(156,736)	(376,497)
Cash Flows from Financing Activities
Proceeds from debt	192,128	165,193
Repayment of debt and capital and financing lease obligations	(128,427)	(84,037)
Proceeds from line of credit	894,500	685,000
Repayment of line of credit	(1,018,000)	(515,000)
Payment of financing costs, net of related payables	(641)	(3,466)
Refundable entrance fees:
Proceeds from refundable entrance fees	1,146	586
Refunds of entrance fees	(1,745)	(1,817)
Cash portion of loss on extinguishment of debt	0	(44)
Payment on lease termination	(9,250)	(7,750)
Other	210	1,421
Net cash (used in) provided by financing activities	(70,079)	240,086
Net decrease in cash and cash equivalents	(48,976)	(25,587)
Cash and cash equivalents at beginning of period	88,029	104,083
Cash and cash equivalents at end of period	$ 39,053	$ 78,496