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Income Taxes - Reconciliation Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Unrecognized tax benefits, beginning balance $ 0.3 $ 0.2
Increase related to tax positions taken - current year 0.3 0.1
Unrecognized tax benefits, ending balance $ 0.6 $ 0.3