Organization and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of commercial office properties

As of June 30, 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		16	10,259,345	9	10,869,183	25	21,128,528	93.0	%
	Retail		1	10,040	9	301,996	10	312,036	90.5	%
	Development/Redevelopment	(1)	7	1,912,984	3	2,927,782	10	4,840,766	N/A
			24	12,182,369	21	14,098,961	45	26,281,330	93.0	%
Suburban	Office		7	862,800	—	—	7	862,800	82.4	%
Total commercial properties			31	13,045,169	21	14,098,961	52	27,144,130	92.6	%
Residential:
Manhattan	Residential		1	82,250	7	736,416	8	818,666	74.0	%
Total portfolio			32	13,127,419	28	14,835,377	60	27,962,796	92.0	%

(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.