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Securities (Schedule Of Realized Gains (Losses) For Marketable Securities ) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Securities [Abstract]    
Available-for-sale Securities, Gross Realized Gains $ 28 $ 440
Available-for-sale Securities, Gross Realized Losses   (7)
Available-for-sale Securities, Gross Realized Gain (Loss), Total 28 433
Net gains on sales of securities $ 28 $ 433