Income Taxes - Components of Income Tax Benefits (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Loss Carryforwards [Line Items]
Deferred income tax benefit from continuing operations	$ (58)	$ (56)
Continuing Operations
Operating Loss Carryforwards [Line Items]
Deferred income tax benefit from continuing operations	(58)	(56)
Total income tax benefit from continuing operations	(58)	(52)
Continuing Operations | Foreign
Operating Loss Carryforwards [Line Items]
Current income tax expense from continuing operations	$ 0	$ 4