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Balance Sheet Components - Schedule of Net Utility Property Recorded at Original Cost Net of Accumulated Depreciation (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Balance Sheet Related Disclosures [Abstract] |  |
Utility plant in service | $ 7,708,173 | $ 7,561,688
Construction work in progress | 199,365 | 164,147
Total | 7,907,538 | 7,725,835
Less: Accumulated depreciation and amortization | 2,282,470 | 2,281,126
Total | $ 5,625,068 | $ 5,444,709

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