Income Taxes - Components of Income Tax Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating Loss Carryforwards [Line Items]
Deferred income taxes			$ (204)	$ (1,448)
Continuing Operations
Operating Loss Carryforwards [Line Items]
Deferred income taxes	$ (68)	$ (13)	(204)	(59)
Income Tax Expense (Benefit), Total	(50)	(3)	(130)	(25)
Continuing Operations | Foreign
Operating Loss Carryforwards [Line Items]
Current income tax expense from continuing operations	$ 18	$ 10	$ 74	$ 34