Leases (Components Of Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Leases [Abstract]
Operating lease expense	$ 1,394	$ 1,349	$ 2,737	$ 2,723
Finance lease expense:
Amortization of right-of-use assets	23	42	47	84
Interest on lease liabilities	9	4	18	9
Total finance lease expense	32	46	65	93
Variable lease expense	$ 343	$ 373	$ 650	$ 797