Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net Income	$ 66,625	$ 136,774
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	74,283	68,939
Amortization of debt deferred costs and intangibles, net	1,392	1,627
Non-cash lease expense	641	602
Impairment loss	44	74
Equity in earnings of real estate joint ventures and partnerships, net	(30,525)	(12,082)
Gain on sale of property	(21,474)	(69,848)
Uncollectible revenue allowance	11,429
Distributions of income from real estate joint ventures and partnerships	18,418	9,508
Changes in accrued rent, accrued contract receivables and accounts receivable, net	(1,812)	20,361
Changes in unamortized lease costs and other assets, net	(1,925)	(11,791)
Changes in accounts payable, accrued expenses and other liabilities, net	(10,076)	(11,882)
Other, net	1,672	2,404
Net cash provided by operating activities	108,692	134,686
Cash Flows from Investing Activities:
Acquisition of real estate and land, net	(25,506)	(52,659)
Development and capital improvements	(78,258)	(95,895)
Proceeds from sale of property and real estate equity investments, net	58,448	194,394
Real estate joint ventures and partnerships - Investments	(4,391)	(24,355)
Real estate joint ventures and partnerships - Distribution of capital	17,520	2,340
Proceeds from investments		9,125
Other, net	(1,513)	3,019
Net cash (used in) provided by investing activities	(33,700)	35,969
Cash Flows from Financing Activities:
Principal payments of debt	(20,123)	(3,173)
Changes in unsecured credit facilities	12,000	(5,000)
Proceeds from issuance of common shares of beneficial interest, net	208	764
Repurchase of common shares of beneficial interest, net	(18,219)	0
Common share dividends paid	(73,994)	(101,641)
Debt issuance and extinguishment costs paid	(6)	(310)
Distributions to noncontrolling interests	(1,594)	(3,161)
Contributions from noncontrolling interests	1,150	326
Other, net	(1,439)	(1,521)
Net cash used in financing activities	(102,017)	(113,716)
Net (decrease) increase in cash, cash equivalents and restricted cash equivalents	(27,025)	56,939
Cash, cash equivalents and restricted cash equivalents at January 1	55,291	76,137
Cash, cash equivalents and restricted cash equivalents at June 30	28,266	133,076
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amount capitalized of $4,573 and $6,204, respectively)	29,094	28,995
Cash paid for income taxes	793	1,456
Cash paid for amounts included in operating lease liabilities	$ 1,555	$ 1,565