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SIGNIFICANT ACCOUNTING POLICIES (Details 6)
3 Months Ended
Mar. 31, 2014
Minimum | Building
 
Real estate  
Estimated useful lives of real estate 20 years
Minimum | Building fixtures and improvements
 
Real estate  
Estimated useful lives of real estate 4 years
Minimum | In-place leases
 
Real estate  
Term of lease 1 year
Maximum | Building
 
Real estate  
Estimated useful lives of real estate 47 years
Maximum | Building fixtures and improvements
 
Real estate  
Estimated useful lives of real estate 15 years
Maximum | In-place leases
 
Real estate  
Term of lease 24 years