Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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)(3)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

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=6382943&loc=d3e33918-111571

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Related Parties

-URI http://asc.fasb.org/extlink&oid=16382449

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.6-07.1(c))

-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 07

-Paragraph b

-Subparagraph 1

-Article 6

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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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

This item represents the amount of gross sales proceeds received on disposal of an equity method investment.

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of asset impairment charges reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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

- Definition

This element represents the amount of gain (loss) on sale of properties including discontinued operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Gross purchase price from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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.

+ References

No definition available.

+ 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.

+ References

No definition available.

+ Details

Name:	wri_NumberOfRealEstatePropertiesSold
Namespace Prefix:	wri_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Details

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Investment in Real Estate Joint Ventures and Partnerships (Narrative) (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) property	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) property
Schedule of Equity Method Investments [Line Items]
Net basis differentials for equity method investments	$ 5,000,000		$ 5,000,000		$ 5,200,000
Impairment loss	7,487,000	$ 0	7,487,000	$ 0
Management fees revenues, related parties	1,100,000	1,100,000	$ 2,300,000	2,400,000
Number of centers sold \| property			6
Gain on sale of property			$ 30,700,000
Gain on sale and acquisition of real estate joint venture and partnership interests	$ 18,000	$ 1,718,000	879,000	$ 1,718,000	$ 1,700,000
Proceeds from sale and disposition of property			49,900,000
Gross acquisition purchase price			$ 145,600,000
Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	20.00%		20.00%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	75.00%		75.00%
Equity Method Investee
Schedule of Equity Method Investments [Line Items]
Number of centers sold \| property					4
Gain on sale of property					$ 4,900,000
Proceeds from sale and disposition of property					19,900,000
50% Owned Unconsolidated Real Estate Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of unconsolidated joint venture interest, gross					$ 5,100,000
50% Owned Unconsolidated Real Estate Joint Venture [Member] \| Equity Method Investee
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	50.00%		50.00%		50.00%
Number of centers sold \| property			1
Gain on sale of property			$ 600,000
Proceeds from sale and disposition of property			$ 1,100,000
20% Owned Unconsolidated Real Estate Joint Venture [Member] \| Equity Method Investee
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	20.00%		20.00%
Number of centers sold \| property			2
Proceeds from sale and disposition of property			$ 12,800,000
51% Owned Real Estate Joint Venture [Member] \| Equity Method Investee
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	51.00%		51.00%
Gross acquisition purchase price			$ 54,100,000