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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
Principal Estimated Useful Lives Used in Determining Depreciation
The principal estimated useful lives used in determining depreciation are as follows:

Buildings
20-39 years
Building improvements
10-20 years
Furniture, fixtures and equipment
3-10 years
Leasehold improvements
Shorter of estimated useful life or related lease term