Fair Value Measurements (Hierarchy Level And The Fair Value Of The Related Assets Or Portfolios) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans	$ 17,327	$ 27,239
Other real estate owned	19,379	30,766
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans
Other real estate owned
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans	5,034	1,157
Other real estate owned	3,118	18,429
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans	12,293	26,082
Other real estate owned	$ 16,261	$ 12,337