Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Other) (Narrative) (Details)

v2.4.0.8
Commitments And Contingencies (Other) (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended 3 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Property Lock-Ups [Member]
property
Sep. 30, 2014
Property Lock-Ups Expired [Member]
property
Sep. 30, 2014
Wegmans Food Markets, Inc. [Member]
Jul. 31, 2012
Wegmans Food Markets, Inc. [Member]
sqft
Dec. 31, 2014
Wegmans Food Markets, Inc. [Member]
Scenario, Forecast [Member]
Commitments And Contingencies [Line Items]            
Percentage of interest in venture    [1]          
Number of properties   7 110      
Properties aggregate net book value   $ 125.2 $ 1,300.0      
Expiration year   2016        
Costs of the project incurred       7.0    
Delivery date to tenant       third quarter of 2015    
Area of property (in square feet)         140,000  
Total project costs           $ 15.7
[1] Company's effective ownership % represents the Company's entitlement to residual distributions after payments of priority returns, where applicable.