Leases (Supplemental Cash Flow Information Related To Leases) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from finance leases	$ 6	$ 5	$ 48
Operating cash flows from operating leases	5,201	6,355	7,062
Financing cash flows from finance leases	$ 123	$ 166	$ 364