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Nature of Banking Activities and Significant Accounting Policies (Narrative) (Details) (USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Sep. 19, 2011
Dec. 31, 2003
Dec. 31, 2012
Maximum [Member]
Building [Member]
Dec. 31, 2012
Maximum [Member]
Furniture and Equipment [Member]
Dec. 31, 2012
Minimum [Member]
Building [Member]
Dec. 31, 2012
Minimum [Member]
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]                
Ownership percentage in subsidiaries   100.00%            
Period interest on mortgage and commercial loans is discountinued   90 days            
Credit card loans and other personal loans are charged off   180 days            
Limit of the estimated appraised value of the furnished home   80.00%            
Estimated useful lives         39 years 10 years 10 years 3 years
Maximum amortization period of core deposits   15 years            
Authorized issuance of shares of common stock       300,000        
"More likely than not" threshold   50.00%            
Number of shares of common stock able to be repurchased     150,000          
Shares repurchased under plan 15,663              
Average price per share $ 17.28              
Maximum numbers of shares that may yet be purchased under plan 134,337