Income Taxes (Schedule Of Significant Components Of The Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Abstract]
Current income tax expense (benefit), Federal	$ (97)	$ (5,727)	$ 349
Current income tax expense (benefit), State	19	(6,426)	424
Current income tax expense (benefit), Foreign	(487)	17,217	(2,233)
Total current income tax expense (benefit)	(565)	5,064	(1,460)
Deferred income tax expense (benefit), Federal	2	(119)	(3,263)
Deferred income tax expense (benefit), State	2	(32)	(5)
Deferred income tax expense (benefit), Foreign	1,380	1,031	(239)
Total deferred income tax expense (benefit)	1,384	880	(3,507)
Total income tax expense (benefit)	$ 819	$ 5,944	$ (4,967)