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Business Segments - Schedule of Other Specified Segment Disclosures (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |
Accretion of asset retirement obligations | $ 0.9 | $ 0.8 | $ 3.2
Deferred and noncurrent income taxes (benefits) | (1.4) | (0.5) |
Additions to property, plant and equipment | 64.0 | 82.2 |
Operating Segments | Marketing Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Accretion of asset retirement obligations | 0.9 | 0.8 |
Deferred and noncurrent income taxes (benefits) | (2.0) | (0.5) |
Additions to property, plant and equipment | 60.8 | 71.2 |
Corporate and Other Assets |  |  |
Segment Reporting Information [Line Items] |  |  |
Accretion of asset retirement obligations | 0.0 | 0.0 |
Deferred and noncurrent income taxes (benefits) | 0.6 | 0.0 |
Additions to property, plant and equipment | $ 3.2 | $ 11.0 |

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