Real Estate And Loans Receivable (Summary Of Amortization Expense From Lease Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2010
Real Estate And Loans Receivable [Abstract]  
2011 $ 2,957
2012 2,592
2013 2,559
2014 2,494
2015 $ 2,305