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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Taxes |  |  |  |
Interest expense to be received on the underpayment of income taxes |  | $ 2,100 |  |
Increase (decrease) in deferred income taxes due to regulation adoption |  | 4,000 |  |
Income tax benefits |  | 0 |  |
Income tax benefit |  | 110,529 | $ 76,912 | $ 74,827
Variable Interest Entity, Not Primary Beneficiary | Palo Verde Sale Leaseback |  |  |  |
Income Taxes |  |  |  |
Income tax benefit |  | 0 |  |
Discontinued Operations, Disposed of by Sale | Bright Canyou Energy Corportion |  |  |  |
Income Taxes |  |  |  |
Investment tax credits | $ 23,000 |  |  |
Payments to acquire investment tax credits | $ 21,000 |  |  |
Arizona Public Service Company |  |  |  |
Income Taxes |  |  |  |
Income tax benefit |  | 126,993 | $ 94,184 | $ 90,800
Federal |  |  |  |
Income Taxes |  |  |  |
State credit carryforwards net of federal benefit |  | 12,000 |  |
Federal | Arizona Public Service Company |  |  |  |
Income Taxes |  |  |  |
State credit carryforwards net of federal benefit |  | 0 |  |
State |  |  |  |
Income Taxes |  |  |  |
State credit carryforwards net of federal benefit |  | 12,000 |  |
State | Arizona Public Service Company |  |  |  |
Income Taxes |  |  |  |
State credit carryforwards net of federal benefit |  | $ 0 |  |

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