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Property, Plant, and Equipment - Public Service Building (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Property, plant, and equipment |  |  |  |
Proceeds from insurance settlement |  | $ 41.6 | $ 0.0 | $ 23.2
Building | WE |  |  |  |
Property, plant, and equipment |  |  |  |
Costs incurred for repairs and restorations |  | 95.3 |  |
Proceeds from insurance settlement | $ 41.0 |  |  | 20.0
Costs included in other operation and maintenance |  |  |  | $ 12.5
Repairs and restorations to be recovered through rates |  | $ 21.8 |  |

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