Segment Information (Schedule of NOI by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Information
Total revenues	$ 453,700	$ 443,255	$ 1,356,716	$ 1,329,896
Deduct: operating expenses	(241,769)	(236,149)	(685,857)	(691,753)
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(10,139)	(8,907)	(31,442)	(29,316)
Add: NOI from partially owned entities	64,884	67,292	198,222	205,959
NOI at share	266,676	265,491	837,639	814,786
New York
Segment Information
Total revenues	367,340	362,483	1,101,713	1,088,295
Deduct: operating expenses	(198,430)	(194,927)	(570,472)	(572,152)
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(3,031)	(2,523)	(9,391)	(9,255)
Add: NOI from partially owned entities	62,659	64,555	190,584	197,982
NOI at share	228,538	229,588	712,434	704,870
Other
Segment Information
Total revenues	86,360	80,772	255,003	241,601
Deduct: operating expenses	(43,339)	(41,222)	(115,385)	(119,601)
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(7,108)	(6,384)	(22,051)	(20,061)
Add: NOI from partially owned entities	2,225	2,737	7,638	7,977
NOI at share	$ 38,138	$ 35,903	$ 125,205	$ 109,916