Goodwill And Other Intangible Assets (Schedule Of Goodwill By Reportable Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill And Other Intangible Assets [Abstract]
Beginning balance	$ 260,061	$ 186,697
Ascyrus acquisition	(942)
Ascyrus acquisition		63,357
Revaluation of goodwill denominated in foreign currency	(9,119)	10,007
Ending balance	$ 250,000	$ 260,061