Leases (Components Of Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating lease expense	$ 1,386	$ 1,463
Finance lease expense:
Amortization of right-of-use assets	42	35
Interest on lease liabilities	5	2
Total finance lease expense	47	37
Variable lease expense	$ 454	$ 177