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Securities (Summary Of Proceeds From Sales, Calls And Maturities, Principal Payments, Gains And Losses Of Securities) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Available-for-sale Securities [Abstract]    
Securities available for sale, Proceeds from Sales $ 3,154 $ 33,787
Securities available for sale, Proceeds from Calls and Maturities 600 55
Securities available for sale, Proceeds from Principal Payments 7,686 8,170
Securities available for sale, Gross realized Gains 61 562
Securities available for sale, Gross realized Losses $ 119 $ 169