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