XML 80 R68.htm IDEA: XBRL DOCUMENT 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 [Line Items]        
Income tax expense $ 0 $ (85) $ 0 $ (85)
Effective tax rate 0.00% 0.20% 0.00% 0.00%
Maximum [Member]        
Income Tax Disclosure [Line Items]        
Income tax expense $ 0 $ 100 $ 0 $ 100