Income Taxes (Summary Of The Activity Related To Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Abstract]
Unrecognized tax benefits – gross beginning balance	$ 2,086	$ 4,082	$ 4,709
Gross increase (decrease) - prior year tax positions	(1,664)	(1,996)	(148)
Gross increase (decrease) – current period tax positions	11,114
Settlements			(479)
Unrecognized tax benefits – gross ending balance	$ 11,536	$ 2,086	$ 4,082