Fair Value Measurements (Schedule Of OREO Measured And Reported At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 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	$ 2,358	$ 3,794
Charge-offs recognized in the allowance for loan losses	(857)	(759)
Fair value	1,501	3,035
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	1,594	119
Charge-offs recognized in the allowance for loan losses	(596)	(26)
Fair value	$ 998	$ 93