Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes	$ (1,052)	$ 196	$ 151	$ 478
Effective tax rates	(1.10%)	0.50%	0.20%	0.90%