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Accumulated Other Comprehensive Income (Items Reclassified Out of Each Component of OCI) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities $ 63 $ 301 $ 508 $ 904
Income tax expense (557) (754) (1,926) (2,132)
Net Income 1,777 2,118 5,781 6,116
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized gains on available for sale securities [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities [1] 63 301 508 904
Income tax expense [1] (22) (102) (173) (307)
Net Income [1] $ 41 $ 199 $ 335 $ 597
[1] Amounts in parentheses indicate debits to net income