Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Gross	$ 0		$ 0		$ 0
Deferred Tax Liabilities, Gross	0		0		$ 0
Income Tax Expense (Benefit)	$ 81	$ 293	$ 464	$ 722