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Organization (Details) ft² in Thousands, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 27, 2023 USD ($) | Dec. 03, 2022 USD ($) ft² | Dec. 31, 2023 ft² segment property unit extension
Operating Properties |  |  |
Number of properties | property |  |  | 5
Number of segments | segment |  |  | 1
731 Lexington Avenue |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 1,079
731 Lexington Avenue | Office space |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 939
731 Lexington Avenue | Retail space |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 140
731 Lexington Avenue | Retail space | Tenant Occupant | Home Depot |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 83
Rego Park I |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 338
Rego Park I | IKEA |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  | 112 |
Payment for termination of lease | $ | $ 10 | $ 10 |
Rego Park I | Burlington Coat Factory |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 50
Rego Park I | Marshalls |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 36
Rego Park II |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 616
Rego Park II | Costco |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 145
Rego Park II | Kohl's |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 133
Flushing |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 167
Number of extensions | extension |  |  | 1
Length of extension |  |  | 10 years
The Alexander apartment tower |  |  |
Operating Properties |  |  |
Area of property (in square feet) |  |  | 255
Number of property units | unit |  |  | 312

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