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Commitments and Contingencies - Additional Information (Details) | 1 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2021 USD ($) | Aug. 31, 2019 USD ($) | May 14, 2021 a Building | Sep. 02, 2020 a Building
Natural and Cultural Damage Claim [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation settlement damages claim amount | $ 2,000,000 |  |  |
Boyds Fire [Member] | Damage from Fire [Member] | Maximum [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, damages sought, value |  | $ 4,400,000 |  |
Labor Day Windstorm [Member] | Damage from Fire [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Wildfire covered area | a |  |  |  | 22,000
Number of residential, commercial and other structures impacted | Building |  |  |  | 230
Babb Road Fire [Member] | Damage from Fire [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of residential, commercial and other structures impacted | Building |  |  | 220 |
Road fire covered area | a |  |  | 15,000 |
System Unit Resource Protection Act [Member] | Natural and Cultural Damage Claim [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Increased potential claim | $ 6,000,000 |  |  |

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