Securities (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Securities available-for-sale:    
Amortized cost, Debt $ 131,630 $ 120,859
Gross unrealized gains 3,398 2,386
Gross unrealized losses 139 219
Fair value, Debt 134,889 123,026
U.S. Treasury security [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 100 100
Gross unrealized gains 0 0
Gross unrealized losses 0 0
Fair value, Debt 100 100
Obligations of U.S. Government corporations and agencies [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 34,874 28,263
Gross unrealized gains 52 83
Gross unrealized losses 52 23
Fair value, Debt 34,874 28,323
Mortgage-backed securities in government sponsored entities [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 76,875 74,834
Gross unrealized gains 2,491 1,562
Gross unrealized losses 38 64
Fair value, Debt 79,328 76,332
Obligations of states and political subdivisions [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 15,402 14,148
Gross unrealized gains 740 732
Gross unrealized losses 4 0
Fair value, Debt 16,138 14,880
Corporate bonds [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 4,310 3,445
Gross unrealized gains 109 6
Gross unrealized losses 36 121
Fair value, Debt 4,383 3,330
Total debt securities [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 131,561 120,790
Gross unrealized gains 3,392 2,383
Gross unrealized losses 130 208
Fair value, Debt 134,823 122,965
Equity securities in financial institutions [Member]
   
Securities available-for-sale:    
Amortized cost, Equity 69 69
Gross unrealized gains 6 3
Gross unrealized losses 9 11
Fair value, Equity 66 61
Restricted stock [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 5,463 5,463
Gross unrealized gains 0 0
Gross unrealized losses 0 0
Fair value, Debt 5,463 5,463
Total securities [Member]
   
Securities available-for-sale:    
Amortized cost, Debt 137,093 126,322
Gross unrealized gains 3,398 2,386
Gross unrealized losses 139 219
Fair value, Debt $ 140,352 $ 128,489