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Related Party (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Twilio Inc.    
Related Party    
Related Party Transaction, Due from (to) Related Party $ 0.4 $ 0.1
Marianne Johnson | Cox Automotive    
Related Party    
Related Party Transaction, Due from (to) Related Party 0.0 0.4
Officer [Member] | Cox Automotive | Subscription revenue    
Related Party    
Revenue from Related Parties 0.3 $ 0.1
Officer [Member] | Twilio Inc.    
Related Party    
Related Party Transaction, Due from (to) Related Party 0.1  
Officer [Member] | Twilio Inc. | Cost of goods    
Related Party    
Related Party Transaction, Due from (to) Related Party $ 0.8