Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
OPERATING ACTIVITIES:
Net income (loss)	$ (91,709)	$ 98,986	$ (89,725)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Share-based compensation expense	32,100	41,272	51,551
Depreciation and amortization expense, including amortization of deferred financing costs	215,628	217,841	240,454
Deferred rent	(20,664)	(23,602)	(21,964)
Loss from unconsolidated real estate ventures, net	26,999	17,429	2,070
Amortization of market lease intangibles, net	(960)	(1,127)	(1,189)
Amortization of lease incentives	1,711	7,734	7,973
Loss on the extinguishment of debt	450	3,073
Impairment loss	90,226		25,144
Gain on the sale of real estate, net	(79,335)	(161,894)	(11,290)
Loss on operating lease and other receivables	882	2,160	2,595
Income from investments, net	(972)	(14,488)	(3,620)
Return on capital from unconsolidated real estate ventures	20,701	11,407	15,912
Other non-cash items	10,818	(5,517)	(922)
Changes in operating assets and liabilities:
Tenant and other receivables	11,123	(13,154)	8,812
Other assets, net	(8,959)	(10,737)	(12,780)
Accounts payable and accrued expenses	(11,255)	(1,282)	8,700
Other liabilities, net	(13,412)	9,936	(4,099)
Net cash provided by operating activities	183,372	178,037	217,622
INVESTING ACTIVITIES:
Development costs, construction in progress and real estate additions	(333,744)	(326,741)	(173,177)
Acquisition of real estate	(19,551)	(65,302)	(208,342)
Proceeds from the sale of real estate	281,525	928,908	14,370
Proceeds from the sale of investments		19,030
Proceeds from derivative financial instruments	1,922
Payments on derivative financial instruments	(9,830)
Distributions of capital from unconsolidated real estate ventures and other investments	10,503	59,717	40,188
Investments in unconsolidated real estate ventures and other investments	(29,004)	(91,591)	(41,780)
Net cash (used in) provided by investing activities	(98,179)	524,021	(368,741)
FINANCING ACTIVITIES:
Borrowings under mortgage loans	345,140	179,744	190,000
Borrowings under revolving credit facility	371,750	100,000	300,000
Borrowings under term loans	170,000	150,000
Repayments of mortgage loans	(281,854)	(270,676)	(5,611)
Repayments of revolving credit facility	(309,750)	(400,000)
Proceeds from derivative financial instruments	9,600
Payments on derivative financial instruments	(1,922)
Debt issuance and modification costs	(17,579)	(5,137)	(6,610)
Redemption of partner's noncontrolling interest	(647)	(9,531)
Finance lease payments			(19,970)
Proceeds from common shares issued pursuant to ESPP	1,102	1,458	1,594
Common shares repurchased	(335,313)	(361,042)	(157,686)
Dividends paid to common shareholders	(94,002)	(107,688)	(118,115)
Distributions to redeemable noncontrolling interests	(15,318)	(16,409)	(17,804)
Distributions to noncontrolling interests	(32)	(182)	(46)
Contributions from noncontrolling interests		9,383	24,126
Net cash (used in) provided by financing activities	(158,825)	(730,080)	189,878
Net (decrease) increase in cash and cash equivalents, and restricted cash	(73,632)	(28,022)	38,759
Cash and cash equivalents, and restricted cash, beginning of period	274,073	302,095	263,336
Cash and cash equivalents, and restricted cash, end of period	200,441	274,073	302,095
SUPPLEMENTAL DISCLOSURE OF CASH FLOW AND NON-CASH INFORMATION:
Cash paid for interest (net of capitalized interest of $17,357, $10,888 and $6,734 in 2023, 2022 and 2021)	88,755	71,861	61,928
Accrued capital expenditures included in accounts payable and accrued expenses	63,136	73,612	43,290
Write-off of fully depreciated assets	6,281	19,794	61,123
Cash paid for income taxes	1,916	1,205	815
Deconsolidation of real estate asset			26,476
Accrued dividends to common shareholders		25,653	28,665
Accrued distributions to redeemable noncontrolling interests		3,968	3,938
Redemption of OP Units for common shares	44,620	16,704	29,634
Recognition (derecognition) of operating lease right-of-use asset	61,443		(1,596)
Recognition (derecognition) of liabilities related to operating lease right-of-use asset	61,443		(1,587)
(Derecognition) recognition of finance lease right-of-use assets		(179,668)	139,507
(Derecognition) recognition of liabilities related to finance lease right-of-use assets		(163,586)	141,574
Cash paid for amounts included in the measurement of lease liabilities for operating leases	$ 5,178	$ 1,906	$ 2,295