Income Taxes (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2020	Mar. 31, 2013	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Components of income tax expense (benefit) [Abstract]
Income tax expense (benefit)			$ 0	$ (30)	$ 1	$ (28)
Paid federal income taxes attributable to alternative minimum tax rate		$ 501
Alternative Minimum Tax (AMT) Credit Carryforward [Member]
Components of income tax expense (benefit) [Abstract]
Income tax refund received	$ 30