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Summary of Significant Accounting Policies (Narrative) (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Asset Impairment Charges     $ 300,000 $ 5,600,000  
Other Real Estate 1,300,000 1,300,000 591,000    
Common Stock, Shares, Outstanding 16,347,915 16,347,915 16,332,327    
Common Stock, Shares, Issued 18,477,412 18,477,412 18,477,412    
Life Insurance, Corporate or Bank Owned, Amount         6,000,000
Life Insurance, Corporate or Bank Owned, Change in Value 5,000,000 1,018,000 1,038,000 1,226,000  
Advertising Expense   186,000 131,000 268,000  
Tax Expense [Member]
          
Life Insurance, Corporate or Bank Owned, Additional Information 633,000 in 2010        
Parent Company [Member]
          
Common Stock, Shares, Issued 1,386,863 1,386,863      
Common Stock, Par or Stated Value Per Share $ 11.44 $ 11.44      
Stock Repurchase Program, Authorized Amount   2,039,731      
Cash Surrender Value [Member]
          
Life Insurance, Corporate or Bank Owned, Amount         $ 5,600,000