Securities (Amortized Cost And Fair Value Of Securities By Contractual Maturity Of Held-To-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Securities [Abstract]
Due in one year or less, Amortized Cost	$ 1,223
Due after five years through ten years, Amortized Cost	1,307
Due after ten years, Amortized Cost	2,691
Total held to maturity securities, Amortized Cost	5,221
Due in one year or less, Fair Value	1,223
Due after five years through ten years, Fair Value	1,331
Due after ten years, Fair Value	2,918
Total held to maturity securities, Fair Value	$ 5,472	$ 4,345