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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 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities $ 509 $ 254 $ 603 $ 392
Income tax expense (696) (584) (1,378) (1,153)
Net Income 2,034 1,839 3,998 4,147
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 509 [1] 254 [1] 603 [1] 392 [1]
Income tax expense (173) [1] (86) [1] (205) [1] (133) [1]
Net Income $ 336 [1] $ 168 [1] $ 398 [1] $ 259 [1]
[1] Amounts in parentheses indicate debits to net income