Goodwill And Intangible Assets (Changes In The Carrying Value Of Goodwill) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Goodwill [Line Items]
Gross carrying value, Beginning	$ 13,722
Currency translation	(1,440)
Gross carrying value, Ending	12,282
Accumulated impairment losses, Beginning	(3,375)
Accumulated impairment losses, Ending	(3,375)
Net carrying value	8,907	$ 10,347
Canada [Member]
Goodwill [Line Items]
Gross carrying value, Beginning	7,402
Currency translation	(301)
Gross carrying value, Ending	7,101
Accumulated impairment losses, Beginning	(3,375)
Accumulated impairment losses, Ending	(3,375)
Net carrying value	3,726	4,027
Poland [Member]
Goodwill [Line Items]
Gross carrying value, Beginning	6,320
Currency translation	(1,139)
Gross carrying value, Ending	5,181
Accumulated impairment losses, Beginning
Accumulated impairment losses, Ending
Net carrying value	$ 5,181	$ 6,320