Organization and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Commercial Office Properties

On March 31, 2026, we owned the following interests in properties in the New York metropolitan area, primarily in midtown Manhattan. Our investments located outside of Manhattan are referred to as the Suburban properties:

		Consolidated			Unconsolidated		Total
Location	Property Type	Number of Buildings		Approximate Square Feet (unaudited)	Number of Buildings	Approximate Square Feet (unaudited)	Number of Buildings	Approximate Square Feet (unaudited)	Weighted Average Leased Occupancy (1) (unaudited)
Commercial:
Manhattan	Office	17		10,102,852	10	13,868,633	27	23,971,485	94.4	%
	Retail	3	(2)	338,545	1	12,719	4	351,264	86.5	%
	Development/Redevelopment	5	(3)	1,249,983	—	—	5	1,249,983	N/A
		25		11,691,380	11	13,881,352	36	25,572,732	94.3	%
Suburban	Office	6		732,800	—	—	6	732,800	79.6	%
Total commercial properties		31		12,424,180	11	13,881,352	42	26,305,532	93.9	%
Residential:
Manhattan	Residential	2	(2) (3)	363,237	1	221,884	3	585,121	99.2	%
Total core portfolio		33		12,787,417	12	14,103,236	45	26,890,653	94.0	%
	Alternative Strategy Portfolio	—		—	5	2,509,307	5	2,509,307	59.2	%

(1)The weighted average leased occupancy for commercial properties represents the total leased square feet divided by the total square footage at acquisition. The weighted average leased occupancy for residential properties represents the total leased units divided by the total available units. Properties under construction are not included in the calculation of weighted average leased occupancy.

(2)As of March 31, 2026, we consolidated a building at 315 West 33rd Street that was comprised of approximately 222,855 square feet (unaudited) of residential space and approximately 270,132 square feet (unaudited) of retail space. For the purpose of this report, we have included this building in the number of residential properties we own. We have included only the residential square footage in total residential square footage, and have included the retail square footage in total retail square footage.

(3)As of March 31, 2026, we owned a building at 7 Dey Street / 185 Broadway that was comprised of approximately 140,382 square feet (unaudited) of residential space and approximately 50,206 square feet (unaudited) of office, which is under redevelopment, and retail space. For the purpose of this report, we have included this building in the number of residential properties we own. We have included only the residential square footage in total residential square footage and have included the balance of the square footage as development square footage. As of March 31, 2026, the residential and retail condominium units were classified as held for sale following the execution of an agreement to sell those units for $220.5 million. See Note 4, "Property Dispositions and Properties Held for Sale."