Intangible Assets and Goodwill - Schedule of Securitized Intangible Assets Subject to Amortization (Details) - Securitization - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Storm Recovery Property intangible asset	$ 415,946	$ 415,946
Accumulated amortization	(31,038)	(17,288)
Net securitized intangible asset subject to amortization	384,908	398,658
Cleco Power
Finite-Lived Intangible Assets [Line Items]
Storm Recovery Property intangible asset	415,946	415,946
Accumulated amortization	(31,038)	(17,288)
Net securitized intangible asset subject to amortization	$ 384,908	$ 398,658