Quarterly report pursuant to Section 13 or 15(d)

Real Estate Transactions (Summary Of Income From Properties Sold) (Details)

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Real Estate Transactions (Summary Of Income From Properties Sold) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Total revenues   $ 12,333   $ 27,205
Operating and other expenses   (4,778)   (10,982)
Depreciation and amortization   (2,989)   (6,442)
Income from properties sold   4,530   9,663
Properties Sold, Year To Date [Member]
        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Total revenues 6,547 9,235 16,302 18,478
Operating and other expenses (3,208) (3,918) (8,764) (7,099)
Depreciation and amortization (1,433) (2,190) (3,379) (4,376)
Interest income 3   3  
Income from properties sold $ 1,909 $ 3,127 $ 4,162 $ 7,003