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Segments - Holdings - Selected Financial Information by Reportable Segment (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Intersegment Eliminations [Member] | International Reportable Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Utilities and other | $ 3.4 | $ 3.4 | $ 9.2 | $ 8.6

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