Fair Value (Assets Measured At Fair Value On A Non-Recurring Basis) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Commercial [Member]
Impaired loans	$ 23,233	$ 14,721
Commercial [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Impaired loans	0	0
Commercial [Member] | Significant Other Observable Inputs (Level 2) [Member]
Impaired loans	0	0
Commercial [Member] | Significant Unobservable Inputs (Level 3) [Member]
Impaired loans	23,233	14,721
Commercial Real Estate Loans [Member]
Impaired loans	14,962	8,112
Commercial Real Estate Loans [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Impaired loans	0	0
Commercial Real Estate Loans [Member] | Significant Other Observable Inputs (Level 2) [Member]
Impaired loans	0	0
Commercial Real Estate Loans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Impaired loans	$ 14,962	$ 8,112