Inventory Write-Down (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Goodwill [Line Items]
Inventory write-down	$ 9,932	$ 9,932
COVID - 19 [Member]
Goodwill [Line Items]
Inventory write-down	$ 9,900