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Gain on Sales of Investment Properties
3 Months Ended
Mar. 31, 2012
Gain on Sales of Investment Properties [Abstract]  
Gain on Sales of Investment Properties
11.       Gain on Sales of Investment Properties
 
During the first three months of 2012, we sold five investment properties for $3.6 million, which resulted in a gain of $611,000. In comparison, during the first three months of 2011, we sold three investment properties for $1.1 million, which resulted in a gain of $129,000. The results of operations for these properties have been reclassified as discontinued operations.