Real Estate Fund Investments (Narratives) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($) Investments	Dec. 31, 2016 USD ($)
Investment Holdings
Aggregate fair value of Real Estate Fund investments (in US Dollars)	$ 454,946	$ 462,132
Real estate fund investments
Investment Holdings
Aggregate fair value of Real Estate Fund investments (in US Dollars)	$ 454,946
Number Of Investments Held By Fund \| Investments	6
Excess of fair value over cost	$ 142,346
Unfunded Commitments Of Fund	$ 117,907
Vornado Capital Partners Real Estate Fund
Investment Holdings
Equity method ownership percentage	25.00%
Term of the Fund, years	8 years
Investment period for commitments of the Fund, years	3 years
Investment fund expiration date	July 2013
Vornado Realty Trust
Investment Holdings
Unfunded Commitments Of Fund	$ 34,422
Joint Venture \| Crowne Plaza Times Square Hotel Joint Venture
Investment Holdings
Equity method ownership percentage	57.10%
Joint Venture \| Crowne Plaza Times Square Hotel Joint Venture \| Crowne Plaza Time Square Hotel
Investment Holdings
Ownership percentage by noncontrolling owners	24.70%

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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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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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Equity Commitment Fund Term, in years

+ References

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- Definition

Expiration date of the fund investment.

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- Definition

The amount of excess fair value of investments over it's cost.

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Investment Period Fund

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Number Of Investments Held By Fund during the year.

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- Definition

This element represents the real estate assets related to the fund

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- Definition

Unfunded Commitments Of the Fund

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