Intangible Assets and Goodwill - Schedule of Securitized Intangible Assets Subject to Amortization (Details) - Storm recover property - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Storm Recovery Property intangible asset	$ 415,946	$ 415,946
Accumulated amortization	(13,502)	(2,823)
Net intangible asset subject to amortization	402,444	413,123
CLECO POWER
Finite-Lived Intangible Assets [Line Items]
Storm Recovery Property intangible asset	415,946	415,946
Accumulated amortization	(13,502)	(2,823)
Net intangible asset subject to amortization	$ 402,444	$ 413,123