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Utility Plant - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 3.5 $ 2.9 $ 10.0 $ 8.6