Leases (Components Of Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Operating lease expense	$ 1,478	$ 1,305	$ 4,194	$ 3,988
Finance lease expense:
Amortization of right-of-use assets	23	26	70	110
Interest on lease liabilities	8	10	26	19
Total finance lease expense	31	36	96	129
Variable lease expense	$ 335	$ 415	$ 944	$ 1,139