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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2012
Summary of Significant Accounting Policies  
Schedule of ranges of estimated useful lives of Bank premises and equipment

Buildings and improvements

 

10 to 40 years

 

Furniture, fixtures and equipment

 

3 to 15 years

 

Leasehold improvements

 

5 to 30 years