Loans and Allowance for Loan Losses (Details 5) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Company's loans by risk rating    
Total Loans Balance $ 659,733 $ 511,794
Commercial [Member]
   
Company's loans by risk rating    
Total Loans Balance 27,187 20,626
Consumer [Member]
   
Company's loans by risk rating    
Total Loans Balance 713 998
Residential one-to-four family [Member]
   
Company's loans by risk rating    
Total Loans Balance 230,310 192,295
Commercial real estate [Member]
   
Company's loans by risk rating    
Total Loans Balance 243,414 166,261
Construction [Member]
   
Company's loans by risk rating    
Total Loans Balance 15,645 15,198
Home equity [Member]
   
Company's loans by risk rating    
Total Loans Balance 62,081 50,015
Indirect auto [Member]
   
Company's loans by risk rating    
Total Loans Balance 80,383 66,401
Loans rated 1-3 [Member]
   
Company's loans by risk rating    
Total Loans Balance 272,346 201,162
Loans rated 1-3 [Member] | Commercial [Member]
   
Company's loans by risk rating    
Total Loans Balance 26,933 20,446
Loans rated 1-3 [Member] | Consumer [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 1-3 [Member] | Residential one-to-four family [Member]
   
Company's loans by risk rating    
Total Loans Balance    1,940
Loans rated 1-3 [Member] | Commercial real estate [Member]
   
Company's loans by risk rating    
Total Loans Balance 229,768 165,134
Loans rated 1-3 [Member] | Construction [Member]
   
Company's loans by risk rating    
Total Loans Balance 15,645 13,642
Loans rated 1-3 [Member] | Home equity [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 1-3 [Member] | Indirect auto [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 4 [Member]
   
Company's loans by risk rating    
Total Loans Balance 14,734 2,724
Loans rated 4 [Member] | Commercial [Member]
   
Company's loans by risk rating    
Total Loans Balance 146   
Loans rated 4 [Member] | Consumer [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 4 [Member] | Residential one-to-four family [Member]
   
Company's loans by risk rating    
Total Loans Balance 6,256 1,238
Loans rated 4 [Member] | Commercial real estate [Member]
   
Company's loans by risk rating    
Total Loans Balance 8,132 1,127
Loans rated 4 [Member] | Construction [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 4 [Member] | Home equity [Member]
   
Company's loans by risk rating    
Total Loans Balance 200 359
Loans rated 4 [Member] | Indirect auto [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 5 [Member]
   
Company's loans by risk rating    
Total Loans Balance 9,835 6,432
Loans rated 5 [Member] | Commercial [Member]
   
Company's loans by risk rating    
Total Loans Balance 108 180
Loans rated 5 [Member] | Consumer [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans rated 5 [Member] | Residential one-to-four family [Member]
   
Company's loans by risk rating    
Total Loans Balance 3,527 3,573
Loans rated 5 [Member] | Commercial real estate [Member]
   
Company's loans by risk rating    
Total Loans Balance 5,514   
Loans rated 5 [Member] | Construction [Member]
   
Company's loans by risk rating    
Total Loans Balance    1,556
Loans rated 5 [Member] | Home equity [Member]
   
Company's loans by risk rating    
Total Loans Balance 686 1,123
Loans rated 5 [Member] | Indirect auto [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans not rated (A) [Member]
   
Company's loans by risk rating    
Total Loans Balance 362,818 301,476
Loans not rated (A) [Member] | Commercial [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans not rated (A) [Member] | Consumer [Member]
   
Company's loans by risk rating    
Total Loans Balance 713 998
Loans not rated (A) [Member] | Residential one-to-four family [Member]
   
Company's loans by risk rating    
Total Loans Balance 220,527 185,544
Loans not rated (A) [Member] | Commercial real estate [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans not rated (A) [Member] | Construction [Member]
   
Company's loans by risk rating    
Total Loans Balance      
Loans not rated (A) [Member] | Home equity [Member]
   
Company's loans by risk rating    
Total Loans Balance 61,195 48,533
Loans not rated (A) [Member] | Indirect auto [Member]
   
Company's loans by risk rating    
Total Loans Balance $ 80,383 $ 66,401