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Deferred Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Deferred Costs [Abstract]      
Deferred Costs $ 16.1 $ 15.1  
Amortization of Deferred Charges $ 4.6 $ 5.7 $ 5.8