CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net (loss) income	$ (67,730)	$ 8,731
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Loss on sale or write down of assets, net	21,283	36,703
Depreciation and amortization	80,812	83,827
Amortization of premium on mortgage notes payable	0	(229)
Amortization of share and unit-based plans	4,030	4,224
Straight-line rent and amortization of above and below market leases	(4,959)	(243)
Provision for doubtful accounts	3,208	913
Income tax expense (benefit)	2,238	(266)
Equity in income of unconsolidated joint ventures	(1,910)	(9,698)
Change in fair value of financing arrangement obligation	(863)	(48,384)
Changes in assets and liabilities, net of dispositions:
Tenant and other receivables	52,684	11,673
Other assets	5,969	1,037
Due from affiliates	(3,619)	(4,766)
Accounts payable and accrued expenses	(7,328)	15,937
Other accrued liabilities	(31,596)	(49,759)
Net cash provided by operating activities	52,219	49,700
Cash flows from investing activities:
Development, redevelopment, expansion and renovation of properties	(14,819)	(26,406)
Property improvements	(8,653)	(1,845)
Proceeds from repayment of notes receivable	1,300	0
Deferred leasing costs	(91)	(981)
Distributions from unconsolidated joint ventures	21,341	21,693
Contributions to unconsolidated joint ventures	(25,673)	(33,870)
Proceeds from sale of assets	100,334	0
Net cash provided by (used in) investing activities	73,739	(41,409)
Cash flows from financing activities:
Proceeds from mortgages, bank and other notes payable	0	660,000
Payments on mortgages, bank and other notes payable	(23,986)	(8,676)
Deferred financing costs	(3,472)	0
Proceeds from finance lease	0	4,115
Payments on finance leases	(552)	(290)
Proceeds from issuance of common stock	597,007	0
Redemption of noncontrolling interests	(1)	(2)
Contribution from noncontrolling interests	125	125
Dividends and distributions	(26,670)	(114,672)
Net cash provided by financing activities	542,451	540,600
Net increase in cash, cash equivalents and restricted cash	668,409	548,891
Cash, cash equivalents and restricted cash, beginning of period	482,659	114,216
Cash, cash equivalents and restricted cash, end of period	1,151,068	663,107
Supplemental cash flow information:
Cash payments for interest, net of amounts capitalized	61,041	52,989
Non-cash investing and financing transactions:
Accrued development costs included in accounts payable and accrued expenses and other accrued liabilities	25,248	28,250
Conversion of Operating Partnership Units to common stock	22,218	5,797
Accrued receivable of net proceeds from stock offering	$ 41,137	$ 0