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Equity Method Investments (Tables)
12 Months Ended
Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of correction of immaterial error for the period
The following illustrates the effect of the correction of the immaterial error for the period presented. There was no impact to the balance sheets, net loss per common share, statements of cash flows or changes in shareholders’ equity.
Year ended December 31, 2021Year ended December 31,2020
(dollars in millions)as previously reportedadjustmentsas adjustedas previously reportedadjustmentsas adjusted
Revenue$46.7 $6.9 $53.6 $21.8 $4.1 $25.9 
Loss from operations$(195.3)$6.9 $(188.4)$(124.9)$4.1 $(120.8)
Loss from equity method investment$— $(6.9)$(6.9)$— $(4.1)$(4.1)
Net loss$(191.0)$— $(191.0)$(119.3)$— $(119.3)
Net loss per common share - basic and diluted$(3.82)$— $(3.82)$(3.02)$— $(3.02)
Comprehensive loss$(196.2)$— $(196.2)$(118.8)$— $(118.8)