Area of a real estate property.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Contractual interest rate for funds borrowed, under the debt agreement.

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-Topic 210
-SubTopic 10
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-Paragraph 1
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
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Amount of income (loss) from consolidated real estate investments attributed to noncontrolling interest.

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No definition available.

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- Definition

The amount of cash paid for the origination of mortgages that are held for sale.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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- Definition

The cash inflow from the sale of real estate held-for-investment and real estate joint ventures.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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The book value of investments in real estate joint ventures including direct and indirect investments.

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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

Value of new stock classified as temporary equity issued during the period.

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Equity Method Investment, Effective Ownership Percentage

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Equity Method Investment, Effective Ownership Transferred Percentage

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- Definition

Gain (Loss) on Transfer Of Interest In Properties To Real Estate Investments, Joint Ventures

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No definition available.

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- Definition

Payments for Transaction Costs for Joint Venture

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- Definition

Proceeds from Redemption of Preferred Equity

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No definition available.

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- Definition

Tax Gain (Loss) from Real Estate and Real Estate Joint Ventures

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No definition available.

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Investments in Partially Owned Entities - Fifth Avenue and Times Square JV (Details) ft² in Thousands, $ in Thousands				3 Months Ended		9 Months Ended
	May 24, 2019 USD ($)	May 23, 2019 USD ($)	Apr. 18, 2019 USD ($) ft²	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Schedule Of Equity Method Investments
Real estate held-for-sale				$ 288,135		$ 288,135		$ 99,627
Net gain on transfer to Fifth Avenue and Times Square JV				$ 0	$ 0	2,571,099	$ 0
Proceeds from redemption of preferred equity						$ 500,000	$ 0
Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Equity method ownership percentage				51.50%		51.50%
Payments to acquire noncontrolling interest interest in joint venture			$ 23,000
Payments for transaction costs for joint venture			53,000
Real estate held-for-sale			5,556,000
Net gain on transfer to Fifth Avenue and Times Square JV						$ 2,571,099
Tax gain from real estate joint venture			735,000
Joint Venture \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Aggregate of preferred equity interests			$ 1,828,000
Temporary equity, value		$ 500,000
Debt instrument, interest rate, stated percentage (percent)			4.25%
Joint Venture \| Investors \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Equity method ownership percentage			48.50%
Equity method effective ownership percentage			47.20%
Retail \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Square footage of real estate property (in sqft) \| ft²			489
Office Space \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Square footage of real estate property (in sqft) \| ft²			327
Vornado Realty Trust \| Joint Venture \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Equity method ownership percentage			51.50%
Equity method effective ownership percentage			51.00%
Proceeds from real estate joint ventures			$ 1,179,000
Net gain from real estate investment partnership, attributable to noncontrolling interest						$ 11,945
Vornado Realty Trust \| Joint Venture \| Investors \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Equity method investment, effective ownership transferred percentage			45.40%
Percentage After Fifth Anniversary \| Joint Venture \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage (percent)			4.75%
666 Fifth Avenue \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Payments of mortgage loans held-for-sale			$ 390,000
Payments for transaction costs for joint venture			17,000
655 Fifth Avenue \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Payments of mortgage loans held-for-sale			140,000
640 Fifth Avenue
Schedule Of Equity Method Investments
Proceeds from mortgage loan	$ 500,000
Proceeds from redemption of preferred equity		$ 500,000
640 Fifth Avenue \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage (percent)	3.07%
Proceeds from mortgage loan			$ 500,000
Long-term debt, term (years)	4 years
LIBOR \| 640 Fifth Avenue \| Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Long-term debt, term (years)		5 years
Spread Over LIBOR (percent)		1.01%