Leases (Schedule Of Measurement Of Lease Liabilities) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 304	$ 249
Weighted-average remaining lease term (years)	12 years 8 months 12 days	13 years
Weighted-average discount rate	3.54%	3.51%