CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities
Net income (loss)	$ (126,361)	$ (48,817)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss on extinguishment of debt, net	54	139
Depreciation and amortization, net	130,078	129,447
Asset impairment	20,706	3,375
Equity in earnings of unconsolidated ventures	(981)	(1,018)
Distributions from unconsolidated ventures from cumulative share of net earnings	439	0
Amortization of deferred gain	(1,093)	(1,093)
Amortization of entrance fees	(1,198)	(926)
Proceeds from deferred entrance fee revenue	1,927	3,087
Deferred income tax provision	83,310	934
Change in deferred lease liability	(3,007)	3,935
Change in fair value of derivatives	46	24
Loss (gain) on sale of assets, net	603	(2,749)
Non-cash stock-based compensation	7,774	9,769
Non-cash interest expense on financing lease obligations	6,156	6,439
Amortization of (above) below market lease, net	(1,697)	(1,733)
Other	(1,398)	(2,330)
Changes in operating assets and liabilities:
Accounts receivable, net	3,556	(2,738)
Prepaid expenses and other assets, net	(8,630)	(36,554)
Accounts payable and accrued expenses	(51,627)	(1,388)
Tenant refundable fees and security deposits	(297)	(226)
Deferred revenue	8,406	12,766
Net cash provided by operating activities	66,766	70,343
Cash Flows from Investing Activities
Increase in lease security deposits and lease acquisition deposits, net	(420)	(1,210)
(Increase) decrease in cash and escrow deposits — restricted	(629)	72
Additions to property, plant and equipment and leasehold intangibles, net	(48,928)	(108,510)
Acquisition of assets, net of related payables and cash received	0	(12,157)
Investment in unconsolidated ventures	(185,971)	(2,365)
Distributions received from unconsolidated ventures	1,807	1,724
Proceeds from sale of assets, net	31,675	45,584
Property insurance proceeds	1,398	2,330
Other	696	84
Net cash used in investing activities	(200,372)	(74,448)
Cash Flows from Financing Activities
Proceeds from debt	34,455	177,370
Repayment of debt and capital and financing lease obligations	(52,273)	(84,016)
Proceeds from line of credit	0	448,500
Repayment of line of credit	0	(548,500)
Payment of financing costs, net of related payables	(321)	(818)
Proceeds from refundable entrance fees, net of refunds	(902)	(593)
Payment on lease termination	0	(4,625)
Payments of employee taxes for withheld shares	(5,112)	(965)
Other	599	585
Net cash used in financing activities	(23,554)	(13,062)
Net decrease in cash and cash equivalents	(157,160)	(17,167)
Cash and cash equivalents at beginning of period	216,397	88,029
Cash and cash equivalents at end of period	$ 59,237	$ 70,862