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Concentrations of Credit Risk (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2012
Credit Concentration Risk [Member]
Dec. 31, 2011
Credit Concentration Risk [Member]
Dec. 31, 2012
Real Estate [Member]
Credit Concentration Risk [Member]
Dec. 31, 2011
Real Estate [Member]
Credit Concentration Risk [Member]
Dec. 31, 2012
Commercial Real Estate [Member]
Credit Concentration Risk [Member]
Dec. 31, 2011
Commercial Real Estate [Member]
Credit Concentration Risk [Member]
Dec. 31, 2012
Nonresidential Buildings [Member]
Credit Concentration Risk [Member]
Dec. 31, 2011
Nonresidential Buildings [Member]
Credit Concentration Risk [Member]
Concentration Risk [Line Items]                    
Loans secure to total loans portfolio $ 782,071,000 $ 776,587,000 $ 666,152,000 $ 656,591,000 $ 666,152,000 $ 656,591,000 $ 364,616,000 $ 355,433,000    
Percentage of loans secure to total loans portfolio (in hundredths)     83.80% 83.20% 83.80% 83.20% 45.90% 45.10% 11.80% 13.80%
Percentage of concentrations of loans to any individual, group of individuals, business, or industry (in hundredths)     10.00%