Annual report pursuant to Section 13 and 15(d)

Income taxes - Loss before Income Taxes (Details)

v3.22.0.1
Income taxes - Loss before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income taxes      
Loss before income tax expense $ (157,299) $ (129,930) $ (136,923)
U.S.      
Income taxes      
Loss before income tax expense 1,625 (1,359) (494)
U.K.      
Income taxes      
Loss before income tax expense $ (158,924) $ (128,571) $ (136,429)