CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flow from operating activities:
Net loss	$ (65,222)	$ (22,919)
Adjustments to reconcile net loss to net cash flow provided by operating activities:
Depreciation and amortization	196,515	266,370
Stock-based compensation	5,344	9,537
Amortization and write-off of debt issuance costs and fair market value of debt adjustments	15,209	5,959
Loss on extinguishment of debt	49,049	63,204
Equity in net income of joint ventures	(9,687)	(2,429)
Reserve of preferred equity interests, net	4,537	60,623
Operating cash distributions from joint ventures	6,077	6,235
Gain on disposition of real estate, net	(39,643)	(127,017)
Impairment charges	68,394	65,453
Valuation allowance of prepaid tax asset	0	8,777
Interest rate hedging activities	(4,538)	0
Assumption of buildings due to ground lease termination	(2,150)	(8,585)
Change in notes receivable accrued interest	1,020	(3,168)
Net change in accounts receivable	(2,908)	(190)
Transaction costs related to RVI spin-off	(27,203)	0
Net change in accounts payable and accrued expenses	15,256	2,514
Net change in other operating assets and liabilities	(12,581)	(22,131)
Total adjustments	262,691	325,152
Net cash flow provided by operating activities	197,469	302,233
Cash flow from investing activities:
Real estate acquired, net of liabilities and cash assumed	0	(86,079)
Real estate developed and improvements to operating real estate	(95,357)	(89,753)
Proceeds from disposition of real estate	301,479	454,715
Hurricane property insurance advance proceeds	20,193	0
Equity contributions to joint ventures	(170)	(69,149)
Distributions from unconsolidated joint ventures	30,350	21,781
Repayment of joint venture advances	68,146	7,476
Net transactions with RVI	(33,681)	0
Repayment of notes receivable	0	31,068
Net cash flow provided by investing activities	290,960	270,059
Cash flow from financing activities:
Proceeds from revolving credit facilities, net	105,000	60,000
Proceeds from issuance of senior notes, net of offering expenses	0	791,220
Repayment of senior notes	(947,014)	(958,509)
Repayment of term loans and mortgage debt	(759,970)	(434,240)
Payment of debt issuance costs	(32,825)	(6,704)
Proceeds from issuance of preferred shares, net of offering expenses	0	168,881
Proceeds from mortgage payable	1,350,000	0
Issuance of common shares in conjunction with equity award plans and dividend reinvestment plan	5,048	15,953
Redemption of operating partnership units	(736)	0
Contribution of assets to RVI	(52,358)	0
Distributions to non-controlling interests and redeemable operating partnership units	(1,097)	(626)
Dividends paid	(235,926)	(227,399)
Net cash flow used for financing activities	(569,878)	(591,424)
Effect of foreign exchange rate changes on cash and cash equivalents	(2)	1
Net decrease in cash, cash equivalents and restricted cash	(81,449)	(19,132)
Cash, cash equivalents and restricted cash, beginning of period	94,724	39,225
Cash, cash equivalents and restricted cash, end of period	$ 13,273	$ 20,094