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Securities (Investments Classified by Contractual Maturity Date) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Schedule of Investments [Line Items]      
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value $ 48    
Available For Sale Securities Debt Maturities Next Twelve Months Fair Value Yield 3.85%    
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 4,960    
Available For Sale Securities Debt Maturities Year Two Through Five Years Fair Value Yield 2.49%    
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value 14,324    
Available For Sale Securities Debt Maturities Year Six Through Ten Years Fair Value Yield 3.33%    
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 78,632    
Available For Sale Securities Debt Maturities After Ten Years Fair Value Yield 2.77%    
Available-for-sale Securities 97,965 88,765 101,872
Available For Sale Securities Total Fair Value Yield 2.86%    
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount 821    
Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount Yield 4.64%    
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount 1,160    
Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount Yield 4.95%    
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount 14,900    
Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount Yield 3.72%    
Securities held to maturity, Carrying amount 16,881 18,771 13,316
Held To Maturity Securities Total Carrying Amount Yield 3.85%    
US Government Agencies Debt Securities [Member]
     
Schedule of Investments [Line Items]      
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 1,353    
Available For Sale Securities Debt Maturities Year Two Through Five Years Fair Value Yield 1.73%    
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value 8    
Available For Sale Securities Debt Maturities Year Six Through Ten Years Fair Value Yield 0.97%    
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 928    
Available For Sale Securities Debt Maturities After Ten Years Fair Value Yield 3.66%    
Available-for-sale Securities 2,289 5,376  
Available For Sale Securities Total Fair Value Yield 2.51%    
US States and Political Subdivisions Debt Securities [Member]
     
Schedule of Investments [Line Items]      
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 148    
Available For Sale Securities Debt Maturities Year Two Through Five Years Fair Value Yield 6.50%    
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value 9,100    
Available For Sale Securities Debt Maturities Year Six Through Ten Years Fair Value Yield 2.97%    
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 5,136    
Available For Sale Securities Debt Maturities After Ten Years Fair Value Yield 2.44%    
Available-for-sale Securities 14,385 17,878  
Available For Sale Securities Total Fair Value Yield 3.18%    
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount 2,989    
Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount Yield 4.59%    
Securities held to maturity, Carrying amount 2,989 2,992  
Held To Maturity Securities Total Carrying Amount Yield 4.59%    
Residential Mortgage Backed Securities [Member]
     
Schedule of Investments [Line Items]      
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value 48    
Available For Sale Securities Debt Maturities Next Twelve Months Fair Value Yield 3.85%    
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 159    
Available For Sale Securities Debt Maturities Year Two Through Five Years Fair Value Yield 3.49%    
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value 1,248    
Available For Sale Securities Debt Maturities Year Six Through Ten Years Fair Value Yield 4.48%    
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 52,277    
Available For Sale Securities Debt Maturities After Ten Years Fair Value Yield 2.98%    
Available-for-sale Securities 53,732 57,924  
Available For Sale Securities Total Fair Value Yield 3.01%    
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount 821    
Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount Yield 4.64%    
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount 1,160    
Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount Yield 4.95%    
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount 9,227    
Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount Yield 2.95%    
Securities held to maturity, Carrying amount 11,208 13,083  
Held To Maturity Securities Total Carrying Amount Yield 3.28%    
Commercial Mortgage Backed Securities [Member]
     
Schedule of Investments [Line Items]      
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 6,997    
Available For Sale Securities Debt Maturities After Ten Years Fair Value Yield 1.95%    
Available-for-sale Securities 6,997 210  
Available For Sale Securities Total Fair Value Yield 1.95%    
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount 2,684    
Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount Yield 5.40%    
Securities held to maturity, Carrying amount 2,684 2,696  
Held To Maturity Securities Total Carrying Amount Yield 5.40%    
Corporate Debt Securities [Member]
     
Schedule of Investments [Line Items]      
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 3,300    
Available For Sale Securities Debt Maturities Year Two Through Five Years Fair Value Yield 2.58%    
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value 3,968    
Available For Sale Securities Debt Maturities Year Six Through Ten Years Fair Value Yield 3.81%    
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 13,294    
Available For Sale Securities Debt Maturities After Ten Years Fair Value Yield 2.24%    
Available-for-sale Securities $ 20,562 $ 7,377  
Available For Sale Securities Total Fair Value Yield 2.60%