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Derivative Accounting - Additional Information (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Oct. 18, 2022
--- | --- | --- | ---
Commodity Contracts |  |  |
Derivative [Line Items] |  |  |
Derivative asset | $ 6,808 | $ 132,098 |
Additional collateral to counterparties for energy related non-derivative instrument contracts | $ 205,000 |  |
Interest rate swaps |  |  |
Derivative [Line Items] |  |  |
Derivative asset |  |  | $ 200
Arizona Public Service Company |  |  |
Derivative [Line Items] |  |  |
Percentage of unrealized gains and losses on certain derivatives deferred for future rate treatment before accounting treatment change | 100.00% |  |

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- Definition The aggregate fair value of additional assets that would be required to be posted as collateral for non-derivative instruments with credit-risk related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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