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Geographic Information and Concentrations of Risk - Net Revenues (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net revenues $ 69,167 $ 66,217 $ 192,408 $ 189,507
United States and Canada        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net revenues 53,924 56,614 159,393 150,822
Europe        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net revenues 6,954 5,828 20,176 17,425
South Africa        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net revenues 0 2,435 0 17,333
Australia (b)        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net revenues 7,543 982 9,966 2,883
Other        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net revenues $ 746 $ 358 $ 2,873 $ 1,044