Securities (Summary Of Maturities, Amortized Cost And Estimated Fair Values Of Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Available-for-sale Securities [Abstract]
Due in one year or less, Amortized Cost	$ 60,321
Due from one to five years, Amortized Cost	97,348
Due from five to ten years, Amortized Cost	23,114
Due after ten years, Amortized Cost	96,003
Equity securities, Amortized Cost	7
Total Amortized Cost	276,793	289,614	290,603
Due in one year or less, Estimated Fair Value	61,210
Due from one to five years, Estimated Fair Value	98,597
Due from five to ten years, Estimated Fair Value	23,764
Due after ten years, Estimated Fair Value	98,823
Equity securities, Estimated Fair Value	7
Total Estimated Fair Value	$ 282,401