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Revenue Recognition - Service or Extended Maintenance Agreements (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]      
Unearned revenue associated with outstanding contracts $ 3.0 $ 3.0 $ 2.4
Revenue recognized $ 1.4 $ 1.8