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Investment Securities (Narrative) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Investment [Line Items]        
Gross investment gains $ 66,000 $ 182,000 $ 137,000  
Gross investment losses   5,000    
Investment Securities:        
Consolidated investment securities portfolio modified, years   3 years 1 month 13 days    
Proceeds from sales of investment securities - available for sale 1,100,000 5,242,000 2,298,000  
Book value of securities available for sale and held to maturity   $ 119,411,000   $ 110,780,000
Positions considered temporarily impaired   53    
Standard & Poor's, AAA Rating [Member]
       
Investment [Line Items]        
Portfolio rated   86.40%   89.00%
Standard & Poor's, A Rating [Member]
       
Investment [Line Items]        
Portfolio rated   2.00%