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Debt (Maturities Of Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Debt Instrument [Line Items]    
2012 $ 1,508  
2013 1,586  
2014 1,507  
2015 18,188  
2016 0  
Thereafter 29,987  
Total debt 52,776 [1] 53,458
Debt [Member]
   
Debt Instrument [Line Items]    
Total debt 52,776 53,458
Debt defeased in connection with sale of Company's office portfolio $ 22,789 $ 23,299
[1] Includes debt defeased in connection with the sale of the Company's office portfolio in the amount of $22.8 million.