Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Components of provision for income taxes
Income tax expense	$ (55)	$ (296)	$ 1,009	$ 16,706
Current foreign tax expense (benefit)	(139)	(123)	309	379
Current state tax expense (benefit)	$ (194)	(173)	$ 699	677
Deferred tax liability result of insurance settlement		$ 15,650		$ 15,650