Fair Value Measurements (Schedule Of OREO Measured And Reported At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
OREO Remeasured At Initial Recognition [Member]
Other Real Estate Owned Reported At Fair Value [Line Items]
Carrying value of foreclosed assets prior to remeasurement	$ 3,088	$ 4,411
Charge-offs recognized in the allowance for loan losses	(845)	(790)
Fair value	2,243	3,621
OREO Remeasured Subsequent To Initial Recognition [Member]
Other Real Estate Owned Reported At Fair Value [Line Items]
Carrying value of foreclosed assets prior to remeasurement	2,804	944
Write-downs included in other non-interest expense	(877)	(186)
Fair value	$ 1,927	$ 758