Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Fair Value Measurements [Line Items]
Total	$ 25,684	$ 17,276
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value Measurements [Line Items]
Total
Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements [Line Items]
Total	25,684	17,276
Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements [Line Items]
Total
Fair Value, Measurements, Nonrecurring [Member]
Fair Value Measurements [Line Items]
Loans	3,144	2,346
OREO	22,540	14,930
Fair Value, Measurements, Nonrecurring [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value Measurements [Line Items]
Loans
OREO
Fair Value, Measurements, Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements [Line Items]
Loans	3,144	2,346
OREO	22,540	14,930
Fair Value, Measurements, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements [Line Items]
Loans
OREO