Securities (Amortized Cost And Fair Value Of Securities By Contractual Maturity Of Held-To-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Securities [Abstract]
Due in one year or less, Amortized Cost	$ 1,146
Due after five years through ten years, Amortized Cost	1,052
Due after ten years, Amortized Cost	2,970
Due in one year or less, Fair Value	1,146
Due after five years through ten years, Fair Value	1,100
Due after ten years, Fair Value	3,070
Total held to maturity securities, Amortized Cost	5,168
Total held to maturity securities, Fair Value	$ 5,316	$ 4,345