Area of a real estate property.

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

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Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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

- Definition

Deferred Compensation Plan, Period to Diversify Common Shares after Vesting

+ References

No definition available.

+ Details

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

- Definition

Interest credit percentage for calculating defined benefits.

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percent applied to compensation to determine service credit amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The vesting term over which an employee's right to be eligible to receive payments from a defined benefit plan which is no longer contingent on satisfaction of a service condition.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Defined Contribution Plan, Basis Spread on Variable Rate

+ References

No definition available.

+ Details

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

- Definition

Defined Contribution Plan, Interest Credit, Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Contribution Plan, Service Credit, Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Contribution Plan Vesting Period

+ References

No definition available.

+ Details

Name:	wri_DefinedContributionPlanVestingPeriod
Namespace Prefix:	wri_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Foreign Operations

+ References

No definition available.

+ Details

Name:	wri_NumberOfForeignOperations
Namespace Prefix:	wri_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Retirement Plans

+ References

No definition available.

+ Details

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

- Definition

Percentage Allocation Of Market Based Awards, Hurdle Comparison

+ References

No definition available.

+ Details

Name:	wri_PercentageAllocationOfMarketBasedAwardsHurdleComparison
Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage Allocation Of Market Based Awards To Period Relative Total Shareholder Return

+ References

No definition available.

+ Details

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Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Significant Accounting Policies [Line Items]

+ References

No definition available.

+ Details

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

- Definition

Special Purpose Entity, Percent Of Ownership

+ References

No definition available.

+ Details

Name:	wri_SpecialPurposeEntityPercentOfOwnership
Namespace Prefix:	wri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RetirementPlanNameAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=wri_SupplementalRetirementPlanDefinedContributionPlanNewBalanceAnnualAdditionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=wri_SupplementalRetirementPlanDefinedContributionPlanOldBalanceAnnualAdditionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=wri_SavingsAndInvestmentPlanDefinedContributionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=wri_ServiceBasedAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=wri_MarketBasedAwardsRelativeToFTSENAREITUnitedStatesShoppingCenterIndexMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=wri_MarketBasedAwardsRelativeToThreeYearAbsoluteTotalShareholderReturnMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=wri_ParkingLotSurfacingAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueServicesNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=wri_HoustonTexasGeographicConcentrationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=wri_OtherPartsOfTexasGeographicConcentrationMember
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Data Type:	na
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- Details

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- Details

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- Details

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Summary Of Significant Accounting Policies (Narrative) (Details) ft² in Millions		1 Months Ended	12 Months Ended
	Jan. 01, 2012 number_of_retirement_plan	Feb. 28, 2017	Dec. 31, 2018 ft² segment foreign
Significant Accounting Policies [Line Items]
Square footage of operating properties (in square feet) \| ft²			35.1
Real estate asset, estimated useful life			40 years
Single purpose entity, ownership percentage			100.00%
Vesting period (years) for share options and awards			3 years
Deferred compensation plan, period to diversify common shares after vesting		6 months
Number of foreign operations \| foreign			0
Number of reportable segments \| segment			1
Supplemental Employee Retirement Plan [Member]
Significant Accounting Policies [Line Items]
Number of retirement plans \| number_of_retirement_plan	2
Supplemental Employee Retirement Plan [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, vesting period	5 years
Supplemental Employee Retirement Plan [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, vesting period	10 years
Supplemental Retirement Plan, Defined Contribution Plan, New Balance Annual Additions [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, interest credit percentage	4.50%
Supplemental Retirement Plan, Defined Contribution Plan, New Balance Annual Additions [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, service credit percentage	3.00%
Supplemental Retirement Plan, Defined Contribution Plan, New Balance Annual Additions [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, service credit percentage	5.00%
Supplemental Retirement Plan, Defined Contribution Plan, Old Balance Annual Addtions [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, interest credit percentage	7.50%
Savings and Investment Plan, Defined Contribution Plan [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, vesting period			5 years
Defined contribution plan, minimum annual contribution per employee, percent			1.00%
Defined contribution plan, employer matched rate of employee contributions, percentage			50.00%
Defined contribution plan, employer matching contribution, percent			6.00%
Retirement Plan [Member]
Significant Accounting Policies [Line Items]
Defined benefit plan, interest credit rate			4.50%
Defined benefit plan, vesting period (years)			3 years
Retirement Plan [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Defined benefit plan, service credit percentage			3.00%
Retirement Plan [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Defined benefit plan, service credit percentage			5.00%
Service Based Awards [Member]
Significant Accounting Policies [Line Items]
Vesting period (years) for share options and awards			3 years
Market Based Awards [Member]
Significant Accounting Policies [Line Items]
Vesting period (years) for share options and awards			3 years
Market-Based Awards Relative To FTSE NAREIT U.S. Shopping Center Index [Member]
Significant Accounting Policies [Line Items]
Vesting period (years) for share options and awards			3 years
Percentage allocation of market based awards			50.00%
Market-Based Awards Relative To Three-Year Absolute TSR [Member]
Significant Accounting Policies [Line Items]
Vesting period (years) for share options and awards			3 years
Percentage allocation of market based awards			50.00%
Market based awards, hurdle comparison			8.00%
Share Options [Member]
Significant Accounting Policies [Line Items]
Maximum term of option award (years)			10 years
Building [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Real estate asset, estimated useful life			18 years
Building [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Real estate asset, estimated useful life			40 years
Parking Lot Surfacing And Equipment [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Real estate asset, estimated useful life			10 years
Parking Lot Surfacing And Equipment [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Real estate asset, estimated useful life			20 years
Customer Concentration Risk [Member] \| Sales Revenue, Services, Net [Member]
Significant Accounting Policies [Line Items]
Concentrations of risk			2.60%
Houston Texas Geographic Concentration [Member] \| Sales Revenue, Services, Net [Member]
Significant Accounting Policies [Line Items]
Concentrations of risk			18.80%
Other Parts of Texas Geographic Concentration [Member] \| Sales Revenue, Services, Net [Member]
Significant Accounting Policies [Line Items]
Concentrations of risk			8.70%
Ninety-Day London Interbank Offered Rate (LIBOR) [Member] \| Supplemental Retirement Plan, Defined Contribution Plan, Old Balance Annual Addtions [Member]
Significant Accounting Policies [Line Items]
Defined contribution plan, basis spread on variable rate	0.005
FLORIDA \| Geographic Concentration Risk [Member] \| Sales Revenue, Services, Net [Member]
Significant Accounting Policies [Line Items]
Concentrations of risk			20.40%
CALIFORNIA \| Geographic Concentration Risk [Member] \| Sales Revenue, Services, Net [Member]
Significant Accounting Policies [Line Items]
Concentrations of risk			17.20%