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Mortgages Payable - Additional Information (Detail) - USD ($) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Jun. 09, 2023 | Jun. 30, 2023 | Jul. 16, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Payments for derivative instrument |  | $ 11,258 |
LIBOR | Interest rate swap |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Basis spread over LIBOR | 0.90% |  |
Mortgages |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Payments for derivative instrument |  | $ 11,258 |
Mortgages | LIBOR |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Interest cap rate |  | 6.00% |
Mortgages | LIBOR | Subsequent Event |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Interest cap rate |  |  | 6.00%
Mortgages | Prime Rate |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Interest rate |  | 8.25% |
731 Lexington Avenue | Mortgages |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Mortgage loans, extension option | 1 year |  |
Mortgage loans | $ 500,000 |  |

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