Intangible Assets and Goodwill - Schedule of Amortization Expense Recognized (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Securitization | Cleco Power
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 13,750	$ 14,465	$ 2,823
Power supply agreement
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 2,881	$ 9,454	$ 9,680