Discontinued Operation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Major line items constituting the (loss) income of the discontinued operation
Net (loss) from discontinued operation	$ (30)	$ (15,907)	$ 12	$ (17,521)
U.K. Limited | Sold
Major line items constituting the (loss) income of the discontinued operation
Total net sales		4,587		8,799
Total cost of sales		4,300		8,498
Selling general and administrative		1,446		3,066
Impairment		7,615		7,615
Other expense		21		29
Pretax (loss) income from discontinued operation		(8,795)		(10,409)
Pre-tax loss on discontinued operation classification		(7,244)		(7,244)
Total pretax loss on discontinued operation		(16,039)		(17,653)
Income tax expense		132		132
Net (loss) from discontinued operation		$ (15,907)		$ (17,521)