Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Abstract]
Current	$ 612	$ (37,047)	$ (2,177)
Deferred	1,233	(13,336)	(18,881)
Total	1,845	(50,383)	(21,058)
Less: Income tax expense - discontinued operations			258
Income tax expense (benefit)	$ 1,845	$ (50,383)	$ (21,316)