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Commitments and Contingencies - Marshall Wildfire (Details) $ in Millions | Sep. 30, 2023 USD ($) | Jul. 24, 2023 numberOfPlaintiffs complaint
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Commitments and Contingencies Disclosure [Abstract] |  |
Estimated property losses caused by Marshall Wildfire | $ 2,000.0 |
Number of complaints related to the Marshall Wildfire | complaint |  | 14
Number of plaintiffs related to the Marshall Wildfire | numberOfPlaintiffs |  | 675
Cap of noneconomic loss in a civil action other than a medical malpractice under Colorado law | 0.6 |
Amount of insurance coverage | $ 500.0 |

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