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Business Combinations and Asset Acquisitions (Narrative) (Details) $ in Thousands | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 29, 2024 USD ($) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2020 MW
Asset Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Productive Assets |  |  | $ 172,614 | $ 30,433 |
Entergy Arkansas [Member] |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Productive Assets |  |  | $ 169,694 | $ 0 |
Walnut Bend Solar facility [Member] | Entergy Arkansas [Member] |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Generation Capacity | MW |  |  |  |  | 100
Payments to Acquire Productive Assets | $ 170,000 |  |  |  |
Walnut Bend Solar facility [Member] | Entergy Arkansas [Member] | Subsequent Event [Member] |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Productive Assets |  | $ 20,000 |  |  |

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