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Revenues - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Disaggregation of Revenue [Line Items]      
Recognized service revenue $ 10.9 $ 11.9  
Refund liability 0.2 $ 0.2  
Commissions      
Disaggregation of Revenue [Line Items]      
Capitalized contract cost, net 3.5   $ 3.5
Prepaid expenses and other current assets | Commissions      
Disaggregation of Revenue [Line Items]      
Capitalized contract cost, net 2.3   2.3
Other long-term assets | Commissions      
Disaggregation of Revenue [Line Items]      
Capitalized contract cost, net $ 1.2   $ 1.2
Minimum      
Disaggregation of Revenue [Line Items]      
Extended product warranty term 1 month    
Maximum      
Disaggregation of Revenue [Line Items]      
Extended product warranty term 3 years