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Accumulated Other Comprehensive Income (Items Reclassified Out of Each Component of OCI) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities $ 198 $ 631 $ 590 $ 1,318
Income tax expense (777) (786) (1,930) (2,419)
Net Income 2,136 2,200 6,284 6,644
Unrealized gains on available for sale securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
       
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities 198   590  
Income tax expense (68)   (201)  
Net Income $ 130   $ 389