Current year acquisitions of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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.

+ 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(f))

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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Acquisitions of operating properties.

+ Details

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Namespace Prefix:	wri
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of real estate properties, buildings or undeveloped land parcels held for sale in the period.

+ Details

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Namespace Prefix:	wri
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ Details

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Namespace Prefix:	wri
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of real estate properties, buildings or undeveloped land parcels sold during the period.

+ Details

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Namespace Prefix:	wri
Data Type:	xbrli:positiveIntegerItemType
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- Definition

Property [Line Items]

+ Details

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Property (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 31, 2010	Sep. 30, 2011
Property [Line Items]
Number of operating properties sold	2
Number of properties held for sale		11
Gross proceeds from sale and disposition of property		$ 55.0
Property classified as held for sale, gross		148.3
Acquired Real Estate [Member]
Property [Line Items]
Real estate property acquisition		42.9
Number of operating properties acquired		2
New Development Additions [Member]
Property [Line Items]
Real estate property acquisition		$ 14.4
Retail Properties [Member]
Property [Line Items]
Number of operating properties sold		3
Industrial Properties [Member]
Property [Line Items]
Number of operating properties sold		2
Industrial Buildings [Member]
Property [Line Items]
Number of operating properties sold		1
Retail Buildings [Member]
Property [Line Items]
Number of operating properties sold		1
Undeveloped Land Parcels [Member]
Property [Line Items]
Number of operating properties sold		8