Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Amortization expense	$ 1,200	$ 900	$ 1,300
Loss on sale of assets	(7,117)
Impairment charges	17,899	340,628
Trademarks [Member]
Amortization expense	300
Trademarks [Member] | Maximum [Member]
Amortization expense		$ 100
Revo and FUL Trademarks [Member]
Loss on sale of assets	$ 7,100