Leases (Components Of Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating lease expense	$ 1,334	$ 1,386
Finance lease expense:
Amortization of right-of-use assets	24	42
Interest on lease liabilities	9	5
Total finance lease expense	33	47
Variable lease expense	$ 293	$ 454