Income Taxes - Components of Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes
Domestic	$ (10,373)	$ (55,355)	$ (12,995)
Foreign	6,998	5,174	3,844
Loss before income taxes	$ (3,375)	$ (50,181)	$ (9,151)