Annual report pursuant to Section 13 and 15(d)

Discontinued Operations (Narrative) (Details)

v2.4.0.8
Discontinued Operations (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
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Dec. 31, 2012
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Number of properties sold 24 4
Area of property sold 3,006,409 269,958
Number of land parcels sold 3  
Sales proceeds $ 390,615 [1] $ 23,405
New Jersey [Member]
    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Number of properties sold 3  
[1] This amount excludes approximately $535,000 of net closing prorations and related adjustments received from sellers at closing.