Investment Securities (Amortized Cost And Approximate Fair Value Of Investment Securities By Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Amortized cost and approximate fair value [Abstract]
One year or less, Amortized cost, Available for Sale	$ 19,323
One year or less, Fair Value, Available for Sale	19,581
One year or less, Amortized Cost, Held to Maturity	940
One year or less, Fair Value, Held to Maturity	946
More than one year through five years, Amortized Cost, Available for Sale	170,716
More than one year through five years, Fair Value, Available for Sale	172,418
More than one year through five years, Amortized Cost, Held to Maturity	3,834
More than one year through five years, Fair Value, Held to Maturity	3,976
More than five years through ten years, Amortized Cost, Available for Sale	118,044
More than five years through ten years, Fair Value, Available for Sale	116,772
More than five years through ten years, Amortized Cost, Held to Maturity	2,515
More than five years through ten years, Fair Value, Held to Maturity	2,612
More than ten years, Amortized Cost, Available for Sale	50,959
More than ten years, Fair Value, Available for Sale	51,173
More than ten years, Amortized Cost, Held to Maturity	3,374
More than ten years, Fair Value, Held to Maturity	3,731
Total, Amortized Cost, Available for Sale	359,042
Total, Fair Value, Available for Sale	359,944
Held-to-maturity Securities, Total	10,663	11,720
Fair Value, Held to Maturity	$ 11,265	$ 12,115