v3.22.0.1
REVENUE - Revenue by Geographic Area (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Revenues $ 250,772 $ 161,696
United States    
Disaggregation of Revenue [Line Items]    
Revenues 109,163 70,978
United Kingdom    
Disaggregation of Revenue [Line Items]    
Revenues 25,163 15,245
Rest of World    
Disaggregation of Revenue [Line Items]    
Revenues $ 116,446 $ 75,473