Investment Securities (Amortized Cost And Approximate Fair Value Of Investment Securities By Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Amortized cost and approximate fair value [Abstract]
One year or less, Amortized cost, Available for Sale	$ 17,535
One year or less, Fair Value, Available for Sale	17,788
One year or less, Amortized Cost, Held to Maturity	940
One year or less, Fair Value, Held to Maturity	952
More than one year through five years, Amortized Cost, Available for Sale	162,898
More than one year through five years, Fair Value, Available for Sale	164,583
More than one year through five years, Amortized Cost, Held to Maturity	2,224
More than one year through five years, Fair Value, Held to Maturity	2,282
More than five years through ten years, Amortized Cost, Available for Sale	149,080
More than five years through ten years, Fair Value, Available for Sale	146,581
More than five years through ten years, Amortized Cost, Held to Maturity	4,144
More than five years through ten years, Fair Value, Held to Maturity	4,286
More than ten years, Amortized Cost, Available for Sale	47,324
More than ten years, Fair Value, Available for Sale	47,335
More than ten years, Amortized Cost, Held to Maturity	3,392
More than ten years, Fair Value, Held to Maturity	3,732
Total, Amortized Cost, Available for Sale	376,837
Total, Fair Value, Available for Sale	376,287
Held-to-maturity Securities, Total	10,700	11,720
Fair Value, Held to Maturity	$ 11,252	$ 12,115