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

Name:	us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
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

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSaleOfProperties
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 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

+ Details

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

- 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

Name:	us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
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

Name:	wri_EquityMethodInvestmentSummarizedFinancialInformationAssetImpairmentCharges
Namespace Prefix:	wri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wri_A50OwnedUnconsolidatedRealEstateJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wri_A20OwnedUnconsolidatedRealEstateJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wri_A51OwnedRealEstatejointventureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Investment In Real Estate Joint Ventures And Partnerships (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) property	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) property
Schedule of Equity Method Investments [Line Items]
Net basis differentials for equity method investments	$ 5,000		$ 5,000		$ 5,200
Impairment loss	0	$ 0	7,487	$ 0
Management fees revenues, related parties	1,100	1,100	$ 3,400	3,500
Number of centers sold \| property			8
Proceeds from sale and disposition of property			$ 79,100
Gain on sale of property			43,917	115,989
Gain on sale and acquisition of real estate joint venture and partnership interests	$ 0	$ 0	879	$ 1,718	$ 1,700
Gross acquisition purchase price			$ 208,000
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
Proceeds from sale and disposition of property					$ 19,900
Gain on sale of property					4,900
50% Owned Unconsolidated Real Estate Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Gain on sale and acquisition of real estate joint venture and partnership interests			$ 900
Proceeds from sale of unconsolidated joint venture interest, gross					$ 5,100
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
Proceeds from sale and disposition of property			$ 1,100
Gain on sale of property			$ 600
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
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