Securities (Summary Of Proceeds From Sales, Calls And Maturities, Principal Payments, Gains And Losses Of Securities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Abstract]
Proceeds from Sale of Debt Securities, Available-for-sale	$ 142,423	$ 107,559	$ 152,882
Securities available for sale, Proceeds from Calls and Maturities	1,871	1,145	2,700
Securities available for sale, Proceeds from Principal Payments	22,870	24,814	31,902
Debt Securities, Available-for-sale, Realized Gain	2,270	1,785	685
Debt Securities, Available-for-sale, Realized Loss	$ 332	$ 1,163	$ 699