Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities:
Net Income	$ 94,086	$ 245,283
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	112,229	102,319
Amortization of debt deferred costs and intangibles, net	2,085	2,437
Non-cash lease expense	942	916
Impairment loss	44	74
Equity in earnings of real estate joint ventures and partnerships, net	(35,339)	(17,780)
Gain on sale of property	(31,742)	(143,963)
Uncollectible revenue allowance	11,884
Distributions of income from real estate joint ventures and partnerships	21,763	14,909
Changes in accrued rent, accrued contract receivables and accounts receivable, net	(8,341)	14,206
Changes in unamortized lease costs and other assets, net	(3,565)	(8,260)
Changes in accounts payable, accrued expenses and other liabilities, net	2,830	(3,633)
Other, net	2,555	2,643
Net cash provided by operating activities	169,431	209,151
Cash Flows from Investing Activities:
Acquisition of real estate and land, net	(28,486)	(54,069)
Development and capital improvements	(113,332)	(130,857)
Proceeds from sale of property and real estate equity investments, net	111,700	358,531
Real estate joint ventures and partnerships - Investments	(8,280)	(68,200)
Real estate joint ventures and partnerships - Distribution of capital	19,021	2,344
Proceeds from investments		10,125
Other, net	(1,950)	49
Net cash (used in) provided by investing activities	(21,327)	117,923
Cash Flows from Financing Activities:
Principal payments of debt	(21,542)	(54,226)
Changes in unsecured credit facilities	0	(5,000)
Proceeds from issuance of common shares of beneficial interest, net	208	844
Repurchase of common shares of beneficial interest, net	(18,219)	0
Common share dividends paid	(97,060)	(152,467)
Debt issuance and extinguishment costs paid	(6)	(316)
Distributions to noncontrolling interests	(1,974)	(3,807)
Contributions from noncontrolling interests	1,150	326
Other, net	(1,456)	(1,885)
Net cash used in financing activities	(138,899)	(216,531)
Net increase in cash, cash equivalents and restricted cash equivalents	9,205	110,543
Cash, cash equivalents and restricted cash equivalents at January 1	55,291	76,137
Cash, cash equivalents and restricted cash equivalents at September 30	64,496	186,680
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amount capitalized of $6,644 and $9,897, respectively)	47,133	45,757
Cash paid for income taxes	793	1,456
Cash paid for amounts included in operating lease liabilities	$ 2,116	$ 2,215