Leases (Components Of Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating lease expense	$ 1,305	$ 1,463	$ 3,988	$ 4,445
Finance lease expense:
Amortization of right-of-use assets	26	31	110	97
Interest on lease liabilities	10	1	19	5
Total finance lease expense	36	32	129	102
Variable lease expense	$ 415	$ 554	$ 1,139	$ 942