Annual report pursuant to Section 13 and 15(d)

Geographic information - Operations by Geographic Area - Long-lived Assets (Details)

v3.22.0.1
Geographic information - Operations by Geographic Area - Long-lived Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Operations by Geographic Area    
Long-lived assets $ 51,369 $ 46,568
U.K.    
Operations by Geographic Area    
Long-lived assets 29,701 24,329
U.S.    
Operations by Geographic Area    
Long-lived assets $ 21,668 $ 22,239