Leases (Components Of Lease Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease expense	$ 5,686	$ 5,345	$ 5,864
Finance lease expense:
Amortization of right-of-use assets	108	136	128
Interest on lease liabilities	40	29	6
Total finance lease expense	148	165	134
Variable lease expense	$ 1,405	$ 1,478	$ 1,290