CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 220,071
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	215,830
Amortization of deferred financing costs	1,979
Amortization of discounts and premiums on debt	868
Amortization of deferred settlements on derivative instruments	1,092
Amortization of right-of-use assets	3,150
Write-off of pursuit costs	1,332
(Income) loss from investments in unconsolidated entities	1,382
Distributions from unconsolidated entities – return on capital	151
Net (gain) loss on sales of real estate properties	(100,209)
Realized (gain) loss on sale of investment securities	87
Compensation paid with Company Common Shares	9,044
Changes in assets and liabilities:
(Increase) decrease in other assets	26,257
Increase (decrease) in accounts payable and accrued expenses	45,357
Increase (decrease) in accrued interest payable	(16,534)
Increase (decrease) in lease liabilities	(334)
Increase (decrease) in other liabilities	(16,032)
Increase (decrease) in security deposits	(212)
Net cash provided by operating activities	393,279
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – development/other	(16,786)
Capital expenditures to real estate	(55,392)
Non-real estate capital additions	(600)
Interest capitalized for real estate and unconsolidated entities under development	(3,393)
Proceeds from disposition of real estate, net	133,916
Investments in unconsolidated entities - development/other	(14,480)
Distributions from unconsolidated entities – return of capital	6
Proceeds from sale of investment securities	452
Net cash provided by (used for) investing activities	43,723
Mortgage notes payable, net:
Proceeds	14,090
Scheduled principal repayments	(40)
Line of credit and commercial paper:
Commercial paper proceeds	1,323,145
Commercial paper repayments	(1,453,100)
Finance ground lease principal payments	(665)
Proceeds from Employee Share Purchase Plan (ESPP)	1,452
Proceeds from exercise of options	8,112
Distributions:
Common Shares	(236,561)
Preferred Shares	(1,544)
Noncontrolling Interests – Operating Partnership	(7,380)
Noncontrolling Interests – Partially Owned Properties	(2,598)
Net cash provided by (used for) financing activities	(355,089)
Net increase (decrease) in cash and cash equivalents and restricted deposits	81,913
Cash and cash equivalents and restricted deposits, beginning of period	137,172
Cash and cash equivalents and restricted deposits, end of period	219,085
Cash and cash equivalents	133,460
Restricted deposits	85,625
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	79,693
Net cash paid (received) for income and other taxes	348
Amortization of deferred financing costs:
Investment in real estate, net	(127)
Other assets	697
Mortgage notes payable, net	449
Notes, net	960
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	306
Notes, net	562
Amortization of deferred settlements on derivative instruments:
Other liabilities	(3)
Accumulated other comprehensive income	1,095
Write-off of pursuit costs:
Investment in real estate, net	225
Investments in unconsolidated entities	649
Other assets	458
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	1,071
Other liabilities	311
Realized/unrealized (gain) loss on derivative instruments:
Other assets	7,410
Other liabilities	2,370
Accumulated other comprehensive income	(9,780)
Interest capitalized for real estate and unconsolidated entities under development:
Investment in real estate, net	(1,422)
Investments in unconsolidated entities	(1,971)
Investments in unconsolidated entities - development/other:
Investments in unconsolidated entities	(13,700)
Other liabilities	(780)
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets	(7,105)
Lease liabilities	7,105
Non Cash Share Distribution From Unconsolidated Entities [Abstract]
Non Cash Share Distribution From Unconsolidated Entities Investments In Unconsolidated Entities	539
Non Cash Share Distribution From Unconsolidated Entities Changes In Other Assets	$ (539)