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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
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net realized gains on sales of securities $ 254 $ 213
Income tax expense (2,608) (2,553)
Net income 14,215 13,651
Amount Reclassified From Accumulated Other Comprehensive Income (Loss) [Member] | Unrealized gains and losses on available-for-sale securities [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net realized gains on sales of securities 254 213
Income tax expense (53) (45)
Net income $ 201 $ 168