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	$ 604,152	$ 430,556
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	418,398	404,723
Amortization of deferred financing costs	4,152	5,783
Amortization of above/below market lease intangibles	(35)	(35)
Amortization of discounts and premiums on debt	2,553	17,795
Amortization of deferred settlements on derivative instruments	11,392	8,896
Amortization of right-of-use assets	5,892	6,952
Write-off of pursuit costs	3,278	2,987
(Income) loss from investments in unconsolidated entities	2,199	(68,058)
Distributions from unconsolidated entities – return on capital	100	2,387
Net (gain) loss on sales of real estate properties	(352,243)	(138,835)
Net (gain) loss on sales of land parcels		(178)
Realized/unrealized (gain) loss on derivative instruments	25
Compensation paid with Company Common Shares	13,475	16,782
Other operating activities, net	1,805
Changes in assets and liabilities:
(Increase) decrease in other assets	(61,422)	1,610
Increase (decrease) in accounts payable and accrued expenses	5,954	22,435
Increase (decrease) in accrued interest payable	737	1,536
Increase (decrease) in lease liabilities	(1,199)	(1,171)
Increase (decrease) in other liabilities	(18,070)	(25,161)
Increase (decrease) in security deposits	(6,057)	1,769
Net cash provided by operating activities	635,086	690,773
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – acquisitions		(653,132)
Investment in real estate – development/other	(95,215)	(93,210)
Capital expenditures to real estate	(61,265)	(81,528)
Non-real estate capital additions	(15,536)	(1,466)
Interest capitalized for real estate under development	(4,102)	(2,679)
Proceeds from disposition of real estate, net	747,600	393,439
Investments in unconsolidated entities	(5,626)	(8,572)
Distributions from unconsolidated entities – return of capital		78,262
Purchase of investment securities and other investments	(509)	(269)
Net cash provided by (used for) investing activities	565,347	(369,155)
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt financing costs	(2,907)	(6,069)
Mortgage notes payable, net:
Proceeds	495,145	295,620
Lump sum payoffs	(91,500)	(95,500)
Scheduled principal repayments	(3,873)	(3,110)
Notes, net:
Proceeds		597,480
Line of credit and commercial paper:
Line of credit proceeds	1,870,000	1,995,000
Line of credit repayments	(1,890,000)	(1,995,000)
Commercial paper proceeds	6,726,167	7,775,817
Commercial paper repayments	(7,724,000)	(8,275,000)
Proceeds from (payments on) settlement of derivative instruments	(1,215)	(41,616)
Proceeds from Employee Share Purchase Plan (ESPP)	2,359	1,652
Proceeds from exercise of options	11,322	48,487
Payment of offering costs		(155)
Other financing activities, net	(31)	(49)
Contributions – Noncontrolling Interests – Partially Owned Properties	341	4,594
Contributions – Noncontrolling Interests – Operating Partnership	12
Distributions:
Common Shares	(435,427)	(409,943)
Preferred Shares	(1,545)	(773)
Noncontrolling Interests – Operating Partnership	(16,478)	(14,728)
Noncontrolling Interests – Partially Owned Properties	(10,269)	(5,170)
Net cash provided by (used for) financing activities	(1,071,899)	(128,463)
Net increase (decrease) in cash and cash equivalents and restricted deposits	128,534	193,155
Cash and cash equivalents and restricted deposits, beginning of period	116,999	116,313
Cash and cash equivalents and restricted deposits, end of period	245,533	309,468
Cash and cash equivalents	187,416	251,273
Restricted deposits	58,117	58,195
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	148,164	171,116
Net cash paid (received) for income and other taxes	428	754
Amortization of deferred financing costs:
Investment in real estate, net	(120)
Other assets	1,169	1,206
Mortgage notes payable, net	876	2,344
Notes, net	2,227	2,233
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	1,191	16,426
Notes, net	1,362	1,369
Amortization of deferred settlements on derivative instruments:
Other liabilities	(6)	(6)
Accumulated other comprehensive income	11,398	8,902
Write-off of pursuit costs:
Investment in real estate, net	3,122	2,947
Other assets	140	37
Accounts payable and accrued expenses	16	3
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	1,554	(68,735)
Other liabilities	645	677
Realized/unrealized (gain) loss on derivative instruments:
Other assets		2,002
Notes, net		2,253
Other liabilities	1,215	29,510
Accumulated other comprehensive income	(1,190)	(33,765)
Investments in unconsolidated entities:
Investments in unconsolidated entities	(4,726)	(6,472)
Other liabilities	(900)	(2,100)
Debt financing costs:
Other assets	(215)	145
Mortgage notes payable, net	$ (2,692)	(2,237)
Notes, net		(5,213)
Other liabilities		1,236
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets		(438,705)
Other assets		184,116
Lease liabilities		282,791
Other liabilities		$ (28,202)