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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Reference 3: 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 4: 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 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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Balance Type:	credit
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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

Name:	wri_EquityMethodInvestmentGrossSalesProceeds
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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Namespace Prefix:	wri_
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

Name:	wri_GainsLossesonSalesofProperties
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

Name:	wri_GrossPaymentsToAcquireRealEstate
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

Name:	wri_GrossProceedsFromSaleOfRealEstate
Namespace Prefix:	wri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of Real Estate Joint Ventures

+ References

No definition available.

+ Details

Name:	wri_NumberOfRealEstateJointVentures
Namespace Prefix:	wri_
Data Type:	xbrli:decimalItemType
Balance Type:	na
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

Name:	dei_LegalEntityAxis=us-gaap_EquityMethodInvesteeMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=wri_TenancyInCommonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_IndustrialPropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_RetailSiteMember
Namespace Prefix:
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Period Type:

Investment In Real Estate Joint Ventures And Partnerships (Narrative) (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2014 property	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Sep. 30, 2014	Dec. 23, 2013
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures		50.00%				50.00%
Net basis differentials for equity method investments	$ 5,200,000	$ 6,100,000		$ 5,200,000
Impairment loss	1,526,000	1,887,000	96,781,000
Management fees revenues, related parties	4,600,000us-gaap_RevenueFromRelatedParties	5,000,000us-gaap_RevenueFromRelatedParties	6,100,000us-gaap_RevenueFromRelatedParties
Gain from sale of real estate joint venture and partnership interests	1,718,000	33,670,000	14,203,000
Number of centers sold	26wri_NumberOfRealEstatePropertiesSold
Proceeds from sale and disposition of property	362,400,000wri_GrossProceedsFromSaleOfRealEstate
Gain on sale of property	167,600,000wri_GainsLossesonSalesofProperties
Gross payments to acquire real estate	43,800,000wri_GrossPaymentsToAcquireRealEstate
Unconsolidated [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	50.00%	51.00%		50.00%
Proceeds from sale of unconsolidated joint venture interest, gross	5,100,000	15,700,000
Gain from sale of real estate joint venture and partnership interests		1,900,000
Number of centers sold	4	5
Proceeds from sale and disposition of property	19,900,000	35,500,000
Gain on sale of property	4,900,000	16,000,000		1,900,000	2,900,000
Number of real estate joint ventures		2
Gross payments to acquire real estate		41,200,000
Unconsolidated [Member] \| Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	20.00%			20.00%
Unconsolidated [Member] \| Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	75.00%			75.00%
Tenancy In Common [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures		10.00%
Number of real estate joint ventures		2
Industrial Properties [Member]
Schedule of Equity Method Investments [Line Items]
Gain from sale of real estate joint venture and partnership interests		$ 11,500,000
Industrial Properties [Member] \| Unconsolidated [Member]
Schedule of Equity Method Investments [Line Items]
Number of centers sold		2
Shopping Center [Member] \| Unconsolidated [Member]
Schedule of Equity Method Investments [Line Items]
Number of centers sold		3