Property (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013 property
Real Estate Investment Property [Line Items]
Number of operating properties acquired	1
Gross payments to acquire real estate	$ 18.0
Number of operating properties sold	1
Proceeds from sale and disposition of property	$ 4.0

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.

No definition available.

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