Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Goodwill And Finite Lived Intangible Assets, Business Acquisitions [Line Items]
Goodwill	$ 12,989	$ 12,989
Core deposit intangibles	3,710	3,710
Core deposit intangible assets, amortization period, in years	10 years
First Bankshares [Member]
Goodwill And Finite Lived Intangible Assets, Business Acquisitions [Line Items]
Goodwill	13,000
Core deposit intangibles	1,200
Paragon Transaction [Member]
Goodwill And Finite Lived Intangible Assets, Business Acquisitions [Line Items]
Core deposit intangibles	$ 2,500