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Accumulated Other Comprehensive Income (Loss) (Significant Amounts Reclassified Out Of Each Component Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities $ 58 $ 31 $ 200 $ 37
Income tax expense (698) (858) (1,273) (1,409)
NET INCOME 3,513 2,724 6,642 5,100
Amount Reclassified From Accumulated Other Comprehensive Income (Loss) [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income tax expense [1] (12) (11) (42) (13)
NET INCOME [1] 46 20 158 24
Amount Reclassified From Accumulated Other Comprehensive Income (Loss) [Member] | Unrealized gains (losses) on available for sale securities [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains on sales of securities [1] $ 58 $ 31 $ 200 $ 37
[1] Amounts in parentheses indicate debits to net income