Segment Information (Summary of NOI by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Information
Total revenues	$ 445,923	$ 442,130
Operating expenses	(228,773)	(216,529)
NOI - consolidated	217,150	225,601
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(11,764)	(20,035)
Add: NOI from partially owned entities	68,097	78,692
NOI at share	273,483	284,258
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	5,052	(3,130)
NOI at share - cash basis	278,535	281,128
New York
Segment Information
Total revenues	363,814	358,548
Operating expenses	(188,321)	(177,535)
NOI - consolidated	175,493	181,013
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(4,823)	(13,310)
Add: NOI from partially owned entities	65,324	75,964
NOI at share	235,994	243,667
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	5,033	(3,975)
NOI at share - cash basis	241,027	239,692
Other
Segment Information
Total revenues	82,109	83,582
Operating expenses	(40,452)	(38,994)
NOI - consolidated	41,657	44,588
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(6,941)	(6,725)
Add: NOI from partially owned entities	2,773	2,728
NOI at share	37,489	40,591
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	19	845
NOI at share - cash basis	$ 37,508	$ 41,436