Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.21.2
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 Taxes [Abstract]        
Effective tax rate 0.00% 0.00% 0.00% 0.00%
Income tax expense (benefit) $ 0 $ 0 $ 0 $ 0