Notes payable gross.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of accumulated amortization of debt issuance costs.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Mortgages Payable - Summary of Outstanding Mortgages Payable (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Sep. 14, 2020	Sep. 13, 2020	Dec. 31, 2019
Mortgage Loans on Real Estate
Deferred debt issuance costs, net of accumulated amortization of $13,034 and $14,362 respectively	$ (8,374)
Notes Payable (in US dollars)	1,156,170			$ 970,961
Mortgages
Mortgage Loans on Real Estate
Notes payable, gross	1,164,544			974,836
Deferred debt issuance costs, net of accumulated amortization of $13,034 and $14,362 respectively	(8,374)			(3,875)
Notes Payable (in US dollars)	1,156,170			970,961
Deferred debt issuance costs, accumulated amortization	$ 13,034			14,362
Mortgages \| Paramus, NJ
Mortgage Loans on Real Estate
Maturity date	Oct. 04, 2021
Interest rate	4.72%
Notes payable, gross	$ 68,000			68,000
Mortgages \| 731 Lexington Avenue \| Retail space
Mortgage Loans on Real Estate
Maturity date	Aug. 05, 2025
Interest rate	1.55%
Notes payable, gross	$ 300,000	$ 300,000	$ 350,000	350,000
Mortgages \| 731 Lexington Avenue \| Office space
Mortgage Loans on Real Estate
Maturity date	Jun. 11, 2024
Interest rate	1.06%
Notes payable, gross	$ 500,000			500,000
Mortgages \| Rego Park II \| Retail space
Mortgage Loans on Real Estate
Maturity date	Dec. 12, 2025
Interest rate	1.50%
Notes payable, gross	$ 202,544			56,836
Mortgages \| The Alexander apartment tower
Mortgage Loans on Real Estate
Maturity date	Nov. 01, 2027
Mortgages \| The Alexander apartment tower \| Retail space
Mortgage Loans on Real Estate
Interest rate	2.63%
Notes payable, gross	$ 94,000			$ 0