Goodwill And Intangible Assets (Changes In The Carrying Value Of Goodwill) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Goodwill [Line Items]
Gross carrying value, Beginning	$ 32,744
Acquisition	76,012
Currency translation	41
Gross carrying value, Ending	108,797
Accumulated impairment losses, Beginning	(23,161)
Accumulated impairment losses, Ending	(23,161)
Net carrying value	85,636	$ 9,583
United States Segment [Member]
Goodwill [Line Items]
Gross carrying value, Beginning	19,786
Acquisition	76,012
Gross carrying value, Ending	95,798
Accumulated impairment losses, Beginning	(19,786)
Accumulated impairment losses, Ending	(19,786)
Net carrying value	76,012
Canada Segment [Member]
Goodwill [Line Items]
Gross carrying value, Beginning	7,142
Acquisition
Currency translation	20
Gross carrying value, Ending	7,162
Accumulated impairment losses, Beginning	(3,375)
Accumulated impairment losses, Ending	(3,375)
Net carrying value	3,787	3,767
Poland Segment [Member]
Goodwill [Line Items]
Gross carrying value, Beginning	5,816
Acquisition
Currency translation	21
Gross carrying value, Ending	5,837
Accumulated impairment losses, Beginning
Accumulated impairment losses, Ending
Net carrying value	$ 5,837	$ 5,816