Income Taxes - Components of Income Tax Benefits (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Loss Carryforwards [Line Items]
Deferred income taxes			$ (136)	$ (981)
Continuing Operations
Operating Loss Carryforwards [Line Items]
Total income tax benefit from continuing operations	$ (120)	$ (9)	(80)	(22)
Deferred income taxes	(136)	(19)	(136)	(46)
Continuing Operations \| Foreign
Operating Loss Carryforwards [Line Items]
Current income tax expense from continuing operations	$ 16	$ 10	$ 56	$ 24

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration