Maximum period on sale of properties to defer gains.

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- Definition

Purchase Price Under Option

+ References

No definition available.

+ Details

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- Definition

Maximum Exposure to Loss on real estate

+ References

No definition available.

+ Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(d))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Summary Of Significant Accounting Policies (Variable Interest Entities) (Details) (USD $)	0 Months Ended	12 Months Ended
	Oct. 16, 2006	Dec. 31, 2014	Dec. 31, 2013	Oct. 16, 2023	Oct. 16, 2021	Dec. 30, 2011
Variable Interest Entity [Line Items]
Mortgages payable		563,698,000us-gaap_SecuredDebt	$ 588,456,000us-gaap_SecuredDebt
Real estate, net		4,141,948,000us-gaap_RealEstateInvestmentPropertyNet	3,798,992,000us-gaap_RealEstateInvestmentPropertyNet
Melville Mall
Variable Interest Entity [Line Items]
Master lease term	20 years
Mortgages payable			20,700,000
Real estate, net		61,900,000	62,600,000
Melville Mall \| Scenario, Forecast
Variable Interest Entity [Line Items]
Purchase price under option				5,000,000	5,000,000
Plaza El Segundo
Variable Interest Entity [Line Items]
Mortgages payable		180,300,000	182,100,000
Real estate, net		178,100,000	183,400,000
Ownership percentage						48.20%
Maximum exposure to loss		19,500,000
The Grove at Shrewsbury (East)
Variable Interest Entity [Line Items]
Mortgages payable		7,400,000
Real estate, net		15,700,000
Second Mortgage \| Melville Mall
Variable Interest Entity [Line Items]
Mortgages payable	34,200,000
Darien
Variable Interest Entity [Line Items]
Maximum period of sale to defer gain on sale of other property, days		180 days