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Long-lived Tangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Segment Reporting [Abstract]          
Accumulated depreciation $ 165.8   $ 165.8   $ 165.9
Depreciation $ 4.9 $ 5.6 $ 15.1 $ 17.1