Segment Information (Schedule of NOI by Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total revenues	$ 1,787,686	$ 1,811,163	$ 1,799,995
Deduct: operating expenses	(927,796)	(905,158)	(873,911)
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(39,367)	(48,553)	(70,029)
Add: NOI from partially owned entities	279,229	285,761	305,993
NOI at share	1,099,752	1,143,213	1,162,048
New York
Segment Reporting Information [Line Items]
Total revenues	1,471,997	1,452,158	1,449,442
Deduct: operating expenses	(766,347)	(733,478)	(716,148)
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(12,899)	(15,547)	(45,566)
Add: NOI from partially owned entities	269,159	274,436	293,780
NOI at share	961,910	977,569	981,508
Other
Segment Reporting Information [Line Items]
Total revenues	315,689	359,005	350,553
Deduct: operating expenses	(161,449)	(171,680)	(157,763)
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(26,468)	(33,006)	(24,463)
Add: NOI from partially owned entities	10,070	11,325	12,213
NOI at share	$ 137,842	$ 165,644	$ 180,540