Segment Information - Summary of NOI by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Information
Total revenues	$ 444,532	$ 534,668
Operating expenses	(230,007)	(246,895)
NOI - consolidated	214,525	287,773
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(15,493)	(17,403)
Add: NOI from partially owned entities	81,881	67,402
NOI at share	280,913	337,772
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	3,076	(5,181)
NOI at share - cash basis	283,989	332,591
New York
Segment Information
Total revenues	355,615	443,285
Operating expenses	(183,031)	(198,095)
NOI - consolidated	172,584	245,190
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(8,433)	(11,407)
Add: NOI from partially owned entities	78,408	49,575
NOI at share	242,559	283,358
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	1,106	(6,618)
NOI at share - cash basis	243,665	276,740
Other
Segment Information
Total revenues	88,917	91,383
Operating expenses	(46,976)	(48,800)
NOI - consolidated	41,941	42,583
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(7,060)	(5,996)
Add: NOI from partially owned entities	3,473	17,827
NOI at share	38,354	54,414
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net, and other	1,970	1,437
NOI at share - cash basis	$ 40,324	$ 55,851