Goodwill and Intangible Assets (Schedule of Goodwill and Identifiable Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2019
Intangible Assets
Cost	$ 6,470	$ 6,470	$ 2,030
Accumulated Amortization	(3,196)	(3,196)	(1,711)
Asset Impairments		(2,970)
Net Carrying Value	304	$ 304	$ 319
Marketing Services [Member]
Intangible Assets
Asset Impairments	$ 2,970