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Mortgages Payable - Schedule of Long -term Debt Instruments (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Notes payable | $ 987,978 | $ 1,092,551
Mortgages |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Notes payable, gross | 996,544 | 1,096,544
Deferred debt issuance costs, net of accumulated amortization of $6,589 and $17,639, respectively | (8,566) | (3,993)
Deferred debt issuance costs, accumulated amortization | $ 6,589 | 17,639
Mortgages | 731 Lexington Avenue | Office Space |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest rate | 5.04% |
Notes payable, gross | $ 400,000 | 500,000
Mortgages | 731 Lexington Avenue | Retail Space |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest rate | 1.76% |
Notes payable, gross | $ 300,000 | 300,000
Rate | 1.51% |
Swapped fixed rate | 1.76% |
Mortgages | Rego Park II | Retail Space |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest rate | 5.60% |
Notes payable, gross | $ 202,544 | 202,544
Mortgages | Rego Park II | Retail Space | SOFR |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Rate | 1.45% |
Mortgages | Rego Park II | Retail Space | SOFR capped rate |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Rate | 4.15% |
Mortgages | The Alexander apartment tower | Apartment tower |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest rate | 2.63% |
Notes payable, gross | $ 94,000 | $ 94,000

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