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Utility Plant - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 3.2 $ 2.9 $ 6.4 $ 5.8