Discontinued Operation (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Discontinued Operation and Disposition
Impairment of goodwill			$ 6,366
Reclassification adjustment to foreign currency loss		$ (1,329)
Major line items constituting the (loss) income of the discontinued operation
Net (loss) from discontinued operation		(124)	(22,663)
U.K. Limited | Sold
Discontinued Operation and Disposition
Impairment of goodwill	$ 6,366
Impairment of intangible assets	$ 1,249
Loss from a discontinued operation, net of taxes			7,248
Reclassification adjustment to foreign currency loss			(3,983)
Major line items constituting the (loss) income of the discontinued operation
Total net sales			10,741
Total cost of sales			10,222
Selling general and administrative		142	4,336
Impairment			7,615
Other expense (income), net			4,006
Pretax loss from discontinued operation		(142)	(15,438)
Pre-tax loss on sale of discontinued operation			(7,248)
Total pretax loss on discontinued operation		(142)	(22,686)
Income tax benefit		18	23
Net (loss) from discontinued operation		$ (124)	$ (22,663)