Description Of Business And Basis Of Presentation (Summary Of Effect Of Error On Notes To Financial Statements, Goodwill and Intangible Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated impairment losses	$ (93,350)	$ (93,350)
Net carrying value	10,199	9,783
United States Segment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated impairment losses	(89,975)	(89,975)
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated impairment losses	(66,877)	(66,877)
Net carrying value	36,672	36,256
As Previously Reported [Member] | United States Segment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated impairment losses	(63,502)	(63,502)
Net carrying value	26,473	26,473
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net carrying value	(26,473)
Adjustments [Member] | United States Segment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated impairment losses	(26,473)	(26,473)
Net carrying value	$ (26,473)	$ (26,473)