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Mortgages Payable - Summary of Outstanding Mortgages Payable (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Mortgage Loans on Real Estate |  |
Deferred debt issuance costs, net of accumulated amortization of $16,071 and $14,551 respectively | $ (5,493) |
Notes Payable (in US dollars) | $ 1,091,051 | $ 1,089,613
LIBOR |  |
Mortgage Loans on Real Estate |  |
Interest cap rate | 6.00% |
Secured Overnight Financing Rate (SOFR) |  |
Mortgage Loans on Real Estate |  |
Interest cap rate | 4.15% |
Mortgages |  |
Mortgage Loans on Real Estate |  |
Notes payable, gross | $ 1,096,544 | 1,096,544
Deferred debt issuance costs, net of accumulated amortization of $16,071 and $14,551 respectively | (5,493) | (6,931)
Notes Payable (in US dollars) | 1,091,051 | 1,089,613
Deferred debt issuance costs, accumulated amortization | $ 16,071 | 14,551
Mortgages | 731 Lexington Avenue | Office space |  |
Mortgage Loans on Real Estate |  |
Interest rate | 5.22% |
Notes payable, gross | $ 500,000 | 500,000
Mortgages | 731 Lexington Avenue | Office space | LIBOR |  |
Mortgage Loans on Real Estate |  |
Basis spread over LIBOR or SOFR | 0.90% |
Mortgages | 731 Lexington Avenue | Office space | LIBOR | Maximum |  |
Mortgage Loans on Real Estate |  |
Interest cap rate | 6.00% |
Mortgages | 731 Lexington Avenue | Retail space |  |
Mortgage Loans on Real Estate |  |
Interest rate | 1.76% |
Notes payable, gross | $ 300,000 | 300,000
Mortgages | 731 Lexington Avenue | Retail space | Secured Overnight Financing Rate (SOFR) |  |
Mortgage Loans on Real Estate |  |
Basis spread over LIBOR or SOFR | 1.51% |
Mortgages | Rego Park II | Retail space |  |
Mortgage Loans on Real Estate |  |
Interest rate | 5.60% |
Notes payable, gross | $ 202,544 | 202,544
Mortgages | Rego Park II | Retail space | Secured Overnight Financing Rate (SOFR) |  |
Mortgage Loans on Real Estate |  |
Basis spread over LIBOR or SOFR | 1.45% |
Mortgages | Rego Park II | Retail space | Secured Overnight Financing Rate (SOFR) | Maximum |  |
Mortgage Loans on Real Estate |  |
Interest cap rate | 4.15% |
Mortgages | The Alexander apartment tower | Retail space |  |
Mortgage Loans on Real Estate |  |
Interest rate | 2.63% |
Notes payable, gross | $ 94,000 | $ 94,000

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