Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net income (loss)	$ 13,485	$ (3,855)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	48,931	66,770
Equity in net loss from unconsolidated joint ventures	4,715	2,864
Distributions of cumulative earnings from unconsolidated joint ventures	188	69
Equity in net loss on sale of interest in unconsolidated joint venture interest/real estate	0	12,629
Purchase price and other fair value adjustments	63	(2,664)
Depreciable real estate reserves and impairment	0	8,241
Loss on sale of real estate, net	1,002	1,388
Deferred rents receivable	(546)	(2,685)
Non-cash lease expense	6,043	3,375
Other non-cash adjustments	(6,964)	15,564
Changes in operating assets and liabilities:
Tenant and other receivables	13,673	(4,138)
Related party receivables	(2,335)	(683)
Deferred lease costs	(4,240)	(240)
Other assets	(25,076)	(24,354)
Accounts payable, accrued expenses, other liabilities and security deposits	28,049	(38,640)
Deferred revenue	3,550	4,121
Lease liability - operating leases	864	(19,160)
Net cash provided by operating activities	81,402	18,602
Investing Activities
Additions to land, buildings and improvements	(61,680)	(49,328)
Acquisition deposits and deferred purchase price	(15,000)	0
Investments in unconsolidated joint ventures	(11,399)	(21,027)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	16,089	19,692
Net proceeds from disposition of real estate/joint venture interest	91,994	62,800
Cash assumed from consolidation of real estate investment	0	9,475
Proceeds from sale or redemption of marketable securities	0	4,528
Other investments	209	(54)
Origination of debt and preferred equity investments	(13,122)	(5,905)
Repayments or redemption of debt and preferred equity investments	6,405	0
Net cash provided by investing activities	13,496	20,181
Financing Activities
Proceeds from mortgages and other loans payable	5,309	10,391
Repayments of mortgages and other loans payable	(55,715)	(362,542)
Proceeds from revolving credit facility and unsecured notes	320,000	530,000
Repayments of revolving credit facility and unsecured notes	(210,000)	(10,000)
Proceeds from stock options exercised and DRSPP issuance	89	351
Repurchase of common stock	(151,197)	(84,089)
Redemption of preferred stock	(17,967)	(3,631)
Redemption of OP units	(18,272)	(13,261)
Distributions to noncontrolling interests in other partnerships	(123)	(110)
Contributions from noncontrolling interests in other partnerships	0	171
Distributions to noncontrolling interests in the Operating Partnership	(4,415)	(4,148)
Dividends paid on common and preferred stock	(66,339)	(69,772)
Other obligations related to secured borrowing	77,874	0
Tax withholdings related to restricted share awards	(3,888)	(2,788)
Deferred loan costs	80	(288)
Principal payments of on financing lease liabilities	0	(255)
Net cash used in financing activities	(124,564)	(9,971)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(29,666)	28,812
Cash, cash equivalents, and restricted cash at beginning of year	336,984	372,795
Cash, cash equivalents, and restricted cash at end of period	307,318	401,607
Supplemental Disclosure of Non-Cash Investing and Financing Activities:
Issuance of special dividend paid primarily in stock	160,620	123,529
Tenant improvements and capital expenditures payable	8,700	15,214
Fair value adjustment to noncontrolling interest in the Operating Partnership	43,023	26,609
Consolidation of real estate investment	0	119,444
Extinguishment of debt in connection with property dispositions	0	53,548
Debt and preferred equity investments	0	10,000
Removal of fully depreciated commercial real estate properties	651	1,120
Share repurchase payable	0	3,779
Recognition of right of use assets and related lease liabilities	0	119,711
Cash and cash equivalents	223,674	304,999
Restricted cash	83,644	96,608
Total cash, cash equivalents, and restricted cash	$ 307,318	$ 401,607