Fair Value of Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Obligations of states, counties and political subdivisions [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value $ 15,044 $ 15,885
Obligations of states, counties and political subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 15,044 15,885
Obligations of U.S. government sponsored agencies [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value   6,509
Obligations of U.S. government sponsored agencies [Member] | Significant Other Observable Inputs (Level 2) [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value   6,509
Mortgage-backed securities [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 87,443 99,691
Mortgage-backed securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 87,443 99,691
U.S. treasury securities [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 75 75
U.S. treasury securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 75 75
Equity securities [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 10 10
Equity securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 10 10
Impaired loans [Member] | Nonrecurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 20,101 16,246
Impaired loans [Member] | Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 20,101 16,246
Foreclosed property and other real estate [Member] | Nonrecurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value 10,360 19,274
Foreclosed property and other real estate [Member] | Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring fair value measurements [Member]
   
Financial assets measured at fair value    
Financial assets measured at fair value $ 10,360 $ 19,274