Securities (Summary Of Maturities, Amortized Cost And Estimated Fair Values Of Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Available-for-sale Securities [Abstract]
Due in one year or less, Amortized Cost	$ 62,419
Due from one to five years, Amortized Cost	100,922
Due from five to ten years, Amortized Cost	24,159
Due after ten years, Amortized Cost	84,907
Equity securities, Amortized Cost	7
Total Amortized Cost	272,414	$ 276,631	$ 283,248
Due in one year or less, Estimated Fair Value	63,555
Due from one to five years, Estimated Fair Value	102,208
Due from five to ten years, Estimated Fair Value	24,681
Due after ten years, Estimated Fair Value	86,210
Equity securities, Estimated Fair Value	7
Total Estimated Fair Value	$ 276,661