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Discontinued Operations (Tables)
3 Months Ended
Mar. 31, 2012
Discontinued Operations [Abstract]  
Schedule Of Discontinued Operations
     For the Three Months
Ended March 31,
 
     2012      2011  

Revenues

   $ 121      $ 1,351   

Gain on sale

     —           5  

Income (loss)

     121         1,172   

Earnings per share/unit — diluted

   $ —         $ 0.01