Organization and Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of commercial office properties

On December 31, 2021, 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 Occupancy(1) (unaudited)
Commercial:
Manhattan	Office		12	8,180,345	10	12,004,183	22	20,184,528	92.1	%
	Retail		2	17,888	9	301,996	11	319,884	91.2	%
	Development/Redevelopment	(1)	8	2,538,284	3	3,275,508	11	5,813,792	N/A
	Fee Interest		1	7,684	—	—	1	7,684	N/A
			23	10,744,201	22	15,581,687	45	26,325,888	92.0	%
Suburban	Office		7	862,800	—	—	7	862,800	78.9	%
Total commercial properties			30	11,607,001	22	15,581,687	52	27,188,688	91.5	%
Residential:
Manhattan	Residential		1	82,250	6	445,934	7	528,184	97.0	%
Total portfolio			31	11,689,251	28	16,027,621	59	27,716,872	91.6	%

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