Segment Information (Schedule of NOI by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Information
Total revenues	$ 436,375	$ 445,923
Operating expenses	(226,224)	(228,773)
NOI - consolidated	210,151	217,150
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(11,396)	(11,764)
Add: NOI from partially owned entities	70,369	68,097
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
New York
Segment Information
Total revenues	358,234	363,814
Operating expenses	(188,278)	(188,321)
NOI - consolidated	169,956	175,493
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(4,536)	(4,823)
Add: NOI from partially owned entities	67,709	65,324
NOI at share	233,129	235,994
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	(2,335)	5,033
NOI at share - cash basis	230,794	241,027
Other
Segment Information
Total revenues	78,141	82,109
Operating expenses	(37,946)	(40,452)
NOI - consolidated	40,195	41,657
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(6,860)	(6,941)
Add: NOI from partially owned entities	2,660	2,773
NOI at share	35,995	37,489
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	824	19
NOI at share - cash basis	$ 36,819	$ 37,508