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Property and Equipment - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Property and Equipment          
Capitalized amount $ 12.1 $ 10.9 $ 33.7 $ 31.1  
Amortization expense 8.8 7.6 25.6 21.6  
Internal use software 58.2   58.2   $ 50.1
Cost of revenue          
Property and Equipment          
Depreciation 9.1 8.0 26.5 22.7  
Selling, General and Administrative Expenses          
Property and Equipment          
Depreciation 0.4 0.8 1.3 2.3  
Property And Equipment          
Property and Equipment          
Depreciation $ 9.5 $ 8.7 $ 27.7 $ 25.0