Commitments and Contingencies (Details) (Fund VIII-IX Associates, US Cellular Building, USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
US Cellular
Schedule of Commitments Related to Leased Properties [Line Items]
Tenant improvement obligations	$ 374
Foth and Van Dyke
Schedule of Commitments Related to Leased Properties [Line Items]
Tenant improvement obligations	$ 167

Maximum Reimbursement Obligation for Tenant Improvements

No definition available.

Name:	wrefix_MaximumReimbursementObligationForTenantImprovements
Namespace Prefix:	wrefix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant