CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flow from operating activities:
Net income (loss)	$ 101,825	$ 116,105	$ (243,132)
Adjustments to reconcile net income (loss) to net cash flow provided by operating activities:
Depreciation and amortization	165,087	242,102	346,204
Stock-based compensation	9,890	7,468	11,493
Amortization and write-off of debt issuance costs and fair market value of debt adjustments	3,976	16,354	7,472
Loss on debt extinguishment	0	58,656	63,204
Equity in net income of joint ventures	(11,519)	(9,365)	(8,837)
Reserve of preferred equity interests, net	15,544	11,422	61,000
Net gain on sale and change in control of interests	0	0	(368)
Operating cash distributions from joint ventures	12,168	8,799	7,413
Gain on disposition of real estate, net	(31,380)	(225,406)	(161,164)
Impairment charges	3,370	69,324	345,580
Valuation allowance of prepaid tax asset	0	0	10,794
Assumption of buildings due to ground lease terminations	0	(2,150)	(8,585)
Cash paid for interest rate hedging activities	0	(4,538)	0
Change in notes receivable accrued interest	1,348	1,349	(2,705)
Net change in accounts receivable	4,361	(3,687)	2,470
Transaction costs related to RVI spin-off	0	(27,203)	0
Net change in accounts payable and accrued expenses	(4,771)	11,388	(3,661)
Net change in other operating assets and liabilities	255	(7,200)	(16,771)
Total adjustments	168,329	147,313	653,539
Net cash flow provided by operating activities	270,154	263,418	410,407
Cash flow from investing activities:
Real estate acquired, net of liabilities and cash assumed	(75,623)	(35,069)	(86,079)
Real estate developed and improvements to operating real estate	(109,364)	(123,517)	(115,361)
Proceeds from disposition of real estate	109,509	938,051	624,250
Hurricane property insurance advance proceeds	0	20,193	10,000
Equity contributions to joint ventures	(64,237)	(59,420)	(69,240)
Repayment of joint venture advances, net	62,246	77,151	56,085
Net transactions with RVI	33,596	(33,681)	0
Distributions from unconsolidated joint ventures	22,339	34,620	27,885
Repayment of notes receivable	11,139	0	31,068
Net cash flow (used for) provided by investing activities	(10,395)	818,328	478,608
Cash flow from financing activities:
(Repayment of) proceeds from revolving credit facilities, net	(95,000)	100,000	0
Proceeds from issuance of senior notes, net of offering expenses	0	0	791,113
Repayment of senior notes, including repayment costs	0	(1,206,619)	(958,509)
Repayment of term loans and mortgage debt, including repayment costs	(2,372)	(1,006,065)	(542,486)
Payment of debt issuance costs	(4,998)	(32,825)	(7,295)
Proceeds from mortgage payable and term loan	50,000	1,350,000	0
Proceeds from issuance of preferred shares, net of offering expenses	0	0	168,870
Redemption of preferred shares	(200,031)	0	0
Proceeds from issuance of common shares, net of offering expenses	194,598	0	0
(Repurchase) issuance of common shares in conjunction with equity award plans and dividend reinvestment plan	(718)	4,770	21,677
Repurchase of common shares	(14,069)	(36,341)	0
Redemption of operating partnership units	0	(736)	(232)
Contribution of assets to RVI	0	(52,358)	0
Distributions to non-controlling interests and redeemable operating partnership units	(990)	(1,310)	(835)
Dividends paid	(180,698)	(281,332)	(305,819)
Net cash flow used for financing activities	(254,278)	(1,162,816)	(833,516)
Effect of foreign exchange rate changes on cash and cash equivalents	2	(4)	0
Net increase (decrease) in cash, cash equivalents and restricted cash	5,481	(81,070)	55,499
Cash, cash equivalents and restricted cash, beginning of year	13,650	94,724	39,225
Cash, cash equivalents and restricted cash, end of year	$ 19,133	$ 13,650	$ 94,724