Variable Interest Entities (Narrative) (Details) $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($) item property	Dec. 31, 2019 item property
Variable Interest Entity [Line Items]
Additional support contributions \| $	$ 2.7
Consolidated Variable Interest Entities [Member]
Variable Interest Entity [Line Items]
Number of VIE real estate joint ventures	8	8
Number of real estate properties \| property	21	21
Number of VIE real estate joint ventures guaranteed by company	1	1
Unconsolidated Variable Interest Entities [Member]
Variable Interest Entity [Line Items]
Number of VIE real estate joint ventures	2	2
Additional support contributions \| $	$ 0.4
Number of joint venture arrangements	1	1

The number of real estate properties owned as of the balance sheet date.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE) that it was not previously contractually required to provide or that the reporting entity intends to provide, including, for example, situations in which the reporting entity assisted the VIE in obtaining another type of support.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Variable Interest Entity, Qualitative or Quantitative Information, Number of Joint Venture Arrangements

+ References

No definition available.

+ Details

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

- Definition

Variable Interest Entity, Qualitative or Quantitative Information, Number of VIE Entities

+ References

No definition available.

+ Details

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

- Definition

Variable Interest Entity, Qualitative or Quantitative Information, Number of VIE's Guaranteed by Company

+ References

No definition available.

+ Details

Name:	wri_VariableInterestEntityQualitativeorQuantitativeInformationNumberofVIEsGuaranteedbyCompany
Namespace Prefix:	wri_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Period Type: