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Organization and Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of commercial office properties | As of September 30, 2020, 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 Properties |  | Approximate Square Feet (unaudited) |  | Number of Properties |  | Approximate Square Feet (unaudited) |  | Number of Properties |  | Approximate Square Feet (unaudited) |  | Weighted Average Occupancy(1) (unaudited)
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manhattan |  | Office |  | 18 |  |  | 10,647,191 |  |  | 11 |  |  | 11,841,483 |  |  | 29 |  |  | 22,488,674 |  |  | 93.1 | %
|  | Retail |  | 4 |  |  | 44,189 |  |  | 8 |  |  | 289,050 |  |  | 12 |  |  | 333,239 |  |  | 94.0 | %
|  | Development/Redevelopment |  | 10 |  |  | 2,908,362 |  |  | 2 |  |  | 1,755,610 |  |  | 12 |  |  | 4,663,972 |  |  | N/A
|  | Fee Interest |  | — |  |  | — |  |  | 1 |  |  | — |  |  | 1 |  |  | — |  |  | — | %
|  |  |  | 32 |  |  | 13,599,742 |  |  | 22 |  |  | 13,886,143 |  |  | 54 |  |  | 27,485,885 |  |  | 93.1 | %
Suburban |  | Office |  | 8 |  |  | 1,044,800 |  |  | — |  |  | — |  |  | 8 |  |  | 1,044,800 |  |  | 85.0 | %
|  | Retail |  | 1 |  |  | 52,000 |  |  | — |  |  | — |  |  | 1 |  |  | 52,000 |  |  | 100.0 | %
|  |  |  | 9 |  |  | 1,096,800 |  |  | — |  |  | — |  |  | 9 |  |  | 1,096,800 |  |  | 85.7 | %
Total commercial properties |  | 41 |  |  | 14,696,542 |  |  | 22 |  |  | 13,886,143 |  |  | 63 |  |  | 28,582,685 |  |  | 92.7 | %
Residential: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manhattan |  | Residential |  | 1 |  |  | 82,250 |  |  | 8 |  |  | 1,663,774 |  |  | 9 |  |  | 1,746,024 |  |  | 78.8 | %
Total residential properties |  | 1 |  |  | 82,250 |  |  | 8 |  |  | 1,663,774 |  |  | 9 |  |  | 1,746,024 |  |  | 78.8 | %
Total portfolio |  | 42 |  |  | 14,778,792 |  |  | 30 |  |  | 15,549,917 |  |  | 72 |  |  | 30,328,709 |  |  | 91.9 | %
(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.

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- Definition Tabular disclosure of real estate properties and units in those properties that are included in the discussion of the nature of an entity's operations. + References No definition available. + Details
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