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Revenue (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Disaggregation of Revenue [Line Items]    
Revenue $ 552.4 $ 753.6
UNITED STATES    
Disaggregation of Revenue [Line Items]    
Revenue 342.3 506.1
ICELAND    
Disaggregation of Revenue [Line Items]    
Revenue $ 210.1 $ 247.5