Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Additional Information) (Details)

v3.21.2
Income Taxes (Additional Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Tax Disclosure [Abstract]        
Income tax expense $ 0 $ 0 $ 0 $ 0