Segment Information (Net Income to NOI Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting [Abstract]
Net (loss) income	$ (6,273)	$ 11,198
Depreciation and amortization expense	108,659	106,565
General and administrative expense	37,897	41,595
Transaction related costs and other	653	658
Income from partially owned entities	(16,279)	(16,666)
Interest and other investment income, net	(11,724)	(9,584)
Interest and debt expense	90,478	86,237
Net gains on disposition of wholly owned and partially owned assets	0	(7,520)
Income tax expense	6,740	4,667
NOI from partially owned entities	70,369	68,097
NOI attributable to noncontrolling interests in consolidated subsidiaries	(11,396)	(11,764)
NOI at share	269,124	273,483
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	(1,511)	5,052
NOI at share - cash basis	$ 267,613	$ 278,535