Fair Value Measurements (Schedule Of OREO Measured And Reported At Fair Value) (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Other Real Estate [Roll Forward]
Beginning balance	$ 4,588	$ 6,518	$ 6,518
Disposed	(1,379)	(2,622)
Ending balance	4,204	5,579	$ 4,588
OREO Remeasured At Initial Recognition [Member]
Other Real Estate [Roll Forward]
Carrying value of foreclosed assets prior to remeasurement	1,996	1,995
Charge-offs recognized in the allowance for loan losses	(743)	0
Fair value	1,253	1,995
OREO Remeasured Subsequent To Initial Recognition [Member]
Other Real Estate [Roll Forward]
Carrying value of foreclosed assets prior to remeasurement	1,464	1,228
Fair value	1,206	916
Write-downs included in other non-interest expense	$ (258)	$ (312)